Home / 8,434.55-12,651.80-2,511.41

Finding the Fourth Proportional to 8,434.55, 12,651.80 and 2,511.41

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Solution

The fourth proportional to 8,434.55, 12,651.80 and 2,511.41 is: 3,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.55 : 12,651.80 = 2,511.41 : x
  2. Step 2: Convert to fraction form
    8,434.55/12,651.80 = 2,511.41/x
  3. Step 3: Cross multiply
    8,434.55x = 12,651.80 × 2,511.41
  4. Step 4: Simplify right side
    8,434.55x = 31,773,781.22
  5. Step 5: Solve for x
    x = 31,773,781.22/8,434.55
  6. Step 6: Final answer
    x = 3,767.10

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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.