Home / 8,380.64-12,570.56-2,537.70

Finding the Fourth Proportional to 8,380.64, 12,570.56 and 2,537.70

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Solution

The fourth proportional to 8,380.64, 12,570.56 and 2,537.70 is: 3,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.64 : 12,570.56 = 2,537.70 : x
  2. Step 2: Convert to fraction form
    8,380.64/12,570.56 = 2,537.70/x
  3. Step 3: Cross multiply
    8,380.64x = 12,570.56 × 2,537.70
  4. Step 4: Simplify right side
    8,380.64x = 31,900,310.11
  5. Step 5: Solve for x
    x = 31,900,310.11/8,380.64
  6. Step 6: Final answer
    x = 3,806.43

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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.