Home / 7,555.13-10,426.01-4,152.19

Finding the Fourth Proportional to 7,555.13, 10,426.01 and 4,152.19

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Solution

The fourth proportional to 7,555.13, 10,426.01 and 4,152.19 is: 5,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.13 : 10,426.01 = 4,152.19 : x
  2. Step 2: Convert to fraction form
    7,555.13/10,426.01 = 4,152.19/x
  3. Step 3: Cross multiply
    7,555.13x = 10,426.01 × 4,152.19
  4. Step 4: Simplify right side
    7,555.13x = 43,290,774.46
  5. Step 5: Solve for x
    x = 43,290,774.46/7,555.13
  6. Step 6: Final answer
    x = 5,729.98

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Half scale
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Double scale
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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.