Home / 8,471.07-11,701.22-6,505.91

Finding the Fourth Proportional to 8,471.07, 11,701.22 and 6,505.91

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Solution

The fourth proportional to 8,471.07, 11,701.22 and 6,505.91 is: 8,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.07 : 11,701.22 = 6,505.91 : x
  2. Step 2: Convert to fraction form
    8,471.07/11,701.22 = 6,505.91/x
  3. Step 3: Cross multiply
    8,471.07x = 11,701.22 × 6,505.91
  4. Step 4: Simplify right side
    8,471.07x = 76,127,084.21
  5. Step 5: Solve for x
    x = 76,127,084.21/8,471.07
  6. Step 6: Final answer
    x = 8,986.71

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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.