Home / 8,354.02-12,531.34-2,807.55

Finding the Fourth Proportional to 8,354.02, 12,531.34 and 2,807.55

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Solution

The fourth proportional to 8,354.02, 12,531.34 and 2,807.55 is: 4,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.02 : 12,531.34 = 2,807.55 : x
  2. Step 2: Convert to fraction form
    8,354.02/12,531.34 = 2,807.55/x
  3. Step 3: Cross multiply
    8,354.02x = 12,531.34 × 2,807.55
  4. Step 4: Simplify right side
    8,354.02x = 35,182,363.62
  5. Step 5: Solve for x
    x = 35,182,363.62/8,354.02
  6. Step 6: Final answer
    x = 4,211.43

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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.