Home / 8,180.60-12,270.63-2,337.20

Finding the Fourth Proportional to 8,180.60, 12,270.63 and 2,337.20

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Solution

The fourth proportional to 8,180.60, 12,270.63 and 2,337.20 is: 3,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.60 : 12,270.63 = 2,337.20 : x
  2. Step 2: Convert to fraction form
    8,180.60/12,270.63 = 2,337.20/x
  3. Step 3: Cross multiply
    8,180.60x = 12,270.63 × 2,337.20
  4. Step 4: Simplify right side
    8,180.60x = 28,678,916.44
  5. Step 5: Solve for x
    x = 28,678,916.44/8,180.60
  6. Step 6: Final answer
    x = 3,505.72

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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.