Home / 8,397.72-12,591.09-3,462.39

Finding the Fourth Proportional to 8,397.72, 12,591.09 and 3,462.39

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Solution

The fourth proportional to 8,397.72, 12,591.09 and 3,462.39 is: 5,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.72 : 12,591.09 = 3,462.39 : x
  2. Step 2: Convert to fraction form
    8,397.72/12,591.09 = 3,462.39/x
  3. Step 3: Cross multiply
    8,397.72x = 12,591.09 × 3,462.39
  4. Step 4: Simplify right side
    8,397.72x = 43,595,264.11
  5. Step 5: Solve for x
    x = 43,595,264.11/8,397.72
  6. Step 6: Final answer
    x = 5,191.32

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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.