Home / 8,489.54-11,715.55-4,952.07

Finding the Fourth Proportional to 8,489.54, 11,715.55 and 4,952.07

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Solution

The fourth proportional to 8,489.54, 11,715.55 and 4,952.07 is: 6,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.54 : 11,715.55 = 4,952.07 : x
  2. Step 2: Convert to fraction form
    8,489.54/11,715.55 = 4,952.07/x
  3. Step 3: Cross multiply
    8,489.54x = 11,715.55 × 4,952.07
  4. Step 4: Simplify right side
    8,489.54x = 58,016,223.69
  5. Step 5: Solve for x
    x = 58,016,223.69/8,489.54
  6. Step 6: Final answer
    x = 6,833.85

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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.