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Finding the Fourth Proportional to 8,708.74, 13,063.07 and 5,928.52

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Solution

The fourth proportional to 8,708.74, 13,063.07 and 5,928.52 is: 8,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.74 : 13,063.07 = 5,928.52 : x
  2. Step 2: Convert to fraction form
    8,708.74/13,063.07 = 5,928.52/x
  3. Step 3: Cross multiply
    8,708.74x = 13,063.07 × 5,928.52
  4. Step 4: Simplify right side
    8,708.74x = 77,444,641.67
  5. Step 5: Solve for x
    x = 77,444,641.67/8,708.74
  6. Step 6: Final answer
    x = 8,892.75

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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.