Home / 8,760.24-12,089.36-4,781.72

Finding the Fourth Proportional to 8,760.24, 12,089.36 and 4,781.72

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Solution

The fourth proportional to 8,760.24, 12,089.36 and 4,781.72 is: 6,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.24 : 12,089.36 = 4,781.72 : x
  2. Step 2: Convert to fraction form
    8,760.24/12,089.36 = 4,781.72/x
  3. Step 3: Cross multiply
    8,760.24x = 12,089.36 × 4,781.72
  4. Step 4: Simplify right side
    8,760.24x = 57,807,934.50
  5. Step 5: Solve for x
    x = 57,807,934.50/8,760.24
  6. Step 6: Final answer
    x = 6,598.90

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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.