Home / 7,502.39-10,353.33-4,145.20

Finding the Fourth Proportional to 7,502.39, 10,353.33 and 4,145.20

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Solution

The fourth proportional to 7,502.39, 10,353.33 and 4,145.20 is: 5,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.39 : 10,353.33 = 4,145.20 : x
  2. Step 2: Convert to fraction form
    7,502.39/10,353.33 = 4,145.20/x
  3. Step 3: Cross multiply
    7,502.39x = 10,353.33 × 4,145.20
  4. Step 4: Simplify right side
    7,502.39x = 42,916,551.02
  5. Step 5: Solve for x
    x = 42,916,551.02/7,502.39
  6. Step 6: Final answer
    x = 5,720.38

Related Problems

Find fourth proportional to 3,751.20, 5,176.66 and 2,072.60
Half scale
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Double scale
Find fourth proportional to 7,503.39, 10,354.71 and 4,146.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.