Home / 7,557.09-10,428.12-4,199.69

Finding the Fourth Proportional to 7,557.09, 10,428.12 and 4,199.69

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Solution

The fourth proportional to 7,557.09, 10,428.12 and 4,199.69 is: 5,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.09 : 10,428.12 = 4,199.69 : x
  2. Step 2: Convert to fraction form
    7,557.09/10,428.12 = 4,199.69/x
  3. Step 3: Cross multiply
    7,557.09x = 10,428.12 × 4,199.69
  4. Step 4: Simplify right side
    7,557.09x = 43,794,871.28
  5. Step 5: Solve for x
    x = 43,794,871.28/7,557.09
  6. Step 6: Final answer
    x = 5,795.20

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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.