Home / 8,700.04-13,053.49-5,191.97

Finding the Fourth Proportional to 8,700.04, 13,053.49 and 5,191.97

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Solution

The fourth proportional to 8,700.04, 13,053.49 and 5,191.97 is: 7,789.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.04 : 13,053.49 = 5,191.97 : x
  2. Step 2: Convert to fraction form
    8,700.04/13,053.49 = 5,191.97/x
  3. Step 3: Cross multiply
    8,700.04x = 13,053.49 × 5,191.97
  4. Step 4: Simplify right side
    8,700.04x = 67,773,250.23
  5. Step 5: Solve for x
    x = 67,773,250.23/8,700.04
  6. Step 6: Final answer
    x = 7,789.99

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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.