Home / 8,462.55-12,697.01-3,531.78

Finding the Fourth Proportional to 8,462.55, 12,697.01 and 3,531.78

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Solution

The fourth proportional to 8,462.55, 12,697.01 and 3,531.78 is: 5,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.55 : 12,697.01 = 3,531.78 : x
  2. Step 2: Convert to fraction form
    8,462.55/12,697.01 = 3,531.78/x
  3. Step 3: Cross multiply
    8,462.55x = 12,697.01 × 3,531.78
  4. Step 4: Simplify right side
    8,462.55x = 44,843,045.98
  5. Step 5: Solve for x
    x = 44,843,045.98/8,462.55
  6. Step 6: Final answer
    x = 5,299.00

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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.