Home / 8,227.60-12,341.40-3,032.80

Finding the Fourth Proportional to 8,227.60, 12,341.40 and 3,032.80

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Solution

The fourth proportional to 8,227.60, 12,341.40 and 3,032.80 is: 4,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.60 : 12,341.40 = 3,032.80 : x
  2. Step 2: Convert to fraction form
    8,227.60/12,341.40 = 3,032.80/x
  3. Step 3: Cross multiply
    8,227.60x = 12,341.40 × 3,032.80
  4. Step 4: Simplify right side
    8,227.60x = 37,428,997.92
  5. Step 5: Solve for x
    x = 37,428,997.92/8,227.60
  6. Step 6: Final answer
    x = 4,549.20

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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.