Home / 8,154.40-12,227.46-3,472.60

Finding the Fourth Proportional to 8,154.40, 12,227.46 and 3,472.60

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Solution

The fourth proportional to 8,154.40, 12,227.46 and 3,472.60 is: 5,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.40 : 12,227.46 = 3,472.60 : x
  2. Step 2: Convert to fraction form
    8,154.40/12,227.46 = 3,472.60/x
  3. Step 3: Cross multiply
    8,154.40x = 12,227.46 × 3,472.60
  4. Step 4: Simplify right side
    8,154.40x = 42,461,077.60
  5. Step 5: Solve for x
    x = 42,461,077.60/8,154.40
  6. Step 6: Final answer
    x = 5,207.14

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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.