Home / 7,001.28-10,497.29-3,715.92

Finding the Fourth Proportional to 7,001.28, 10,497.29 and 3,715.92

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Solution

The fourth proportional to 7,001.28, 10,497.29 and 3,715.92 is: 5,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.28 : 10,497.29 = 3,715.92 : x
  2. Step 2: Convert to fraction form
    7,001.28/10,497.29 = 3,715.92/x
  3. Step 3: Cross multiply
    7,001.28x = 10,497.29 × 3,715.92
  4. Step 4: Simplify right side
    7,001.28x = 39,007,071.28
  5. Step 5: Solve for x
    x = 39,007,071.28/7,001.28
  6. Step 6: Final answer
    x = 5,571.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.