Home / 8,408.40-12,614.18-4,248.60

Finding the Fourth Proportional to 8,408.40, 12,614.18 and 4,248.60

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Solution

The fourth proportional to 8,408.40, 12,614.18 and 4,248.60 is: 6,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.40 : 12,614.18 = 4,248.60 : x
  2. Step 2: Convert to fraction form
    8,408.40/12,614.18 = 4,248.60/x
  3. Step 3: Cross multiply
    8,408.40x = 12,614.18 × 4,248.60
  4. Step 4: Simplify right side
    8,408.40x = 53,592,605.15
  5. Step 5: Solve for x
    x = 53,592,605.15/8,408.40
  6. Step 6: Final answer
    x = 6,373.70

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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.