Home / 8,527.59-11,767.28-6,290.71

Finding the Fourth Proportional to 8,527.59, 11,767.28 and 6,290.71

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Solution

The fourth proportional to 8,527.59, 11,767.28 and 6,290.71 is: 8,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.59 : 11,767.28 = 6,290.71 : x
  2. Step 2: Convert to fraction form
    8,527.59/11,767.28 = 6,290.71/x
  3. Step 3: Cross multiply
    8,527.59x = 11,767.28 × 6,290.71
  4. Step 4: Simplify right side
    8,527.59x = 74,024,485.10
  5. Step 5: Solve for x
    x = 74,024,485.10/8,527.59
  6. Step 6: Final answer
    x = 8,680.59

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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.