Home / 5,497.28-7,586.44-3,139.38

Finding the Fourth Proportional to 5,497.28, 7,586.44 and 3,139.38

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Solution

The fourth proportional to 5,497.28, 7,586.44 and 3,139.38 is: 4,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.28 : 7,586.44 = 3,139.38 : x
  2. Step 2: Convert to fraction form
    5,497.28/7,586.44 = 3,139.38/x
  3. Step 3: Cross multiply
    5,497.28x = 7,586.44 × 3,139.38
  4. Step 4: Simplify right side
    5,497.28x = 23,816,718.01
  5. Step 5: Solve for x
    x = 23,816,718.01/5,497.28
  6. Step 6: Final answer
    x = 4,332.45

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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.