Home / 8,760.41-13,140.18-2,520.38

Finding the Fourth Proportional to 8,760.41, 13,140.18 and 2,520.38

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Solution

The fourth proportional to 8,760.41, 13,140.18 and 2,520.38 is: 3,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.41 : 13,140.18 = 2,520.38 : x
  2. Step 2: Convert to fraction form
    8,760.41/13,140.18 = 2,520.38/x
  3. Step 3: Cross multiply
    8,760.41x = 13,140.18 × 2,520.38
  4. Step 4: Simplify right side
    8,760.41x = 33,118,181.17
  5. Step 5: Solve for x
    x = 33,118,181.17/8,760.41
  6. Step 6: Final answer
    x = 3,780.44

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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.