Home / 9,287.10-13,939.47-5,766.44

Finding the Fourth Proportional to 9,287.10, 13,939.47 and 5,766.44

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Solution

The fourth proportional to 9,287.10, 13,939.47 and 5,766.44 is: 8,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.10 : 13,939.47 = 5,766.44 : x
  2. Step 2: Convert to fraction form
    9,287.10/13,939.47 = 5,766.44/x
  3. Step 3: Cross multiply
    9,287.10x = 13,939.47 × 5,766.44
  4. Step 4: Simplify right side
    9,287.10x = 80,381,047.69
  5. Step 5: Solve for x
    x = 80,381,047.69/9,287.10
  6. Step 6: Final answer
    x = 8,655.13

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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.