Home / 7,654.80-11,471.42-6,087.86

Finding the Fourth Proportional to 7,654.80, 11,471.42 and 6,087.86

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Solution

The fourth proportional to 7,654.80, 11,471.42 and 6,087.86 is: 9,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.80 : 11,471.42 = 6,087.86 : x
  2. Step 2: Convert to fraction form
    7,654.80/11,471.42 = 6,087.86/x
  3. Step 3: Cross multiply
    7,654.80x = 11,471.42 × 6,087.86
  4. Step 4: Simplify right side
    7,654.80x = 69,836,399.84
  5. Step 5: Solve for x
    x = 69,836,399.84/7,654.80
  6. Step 6: Final answer
    x = 9,123.21

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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.