Home / 8,152.31-12,230.90-4,687.13

Finding the Fourth Proportional to 8,152.31, 12,230.90 and 4,687.13

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Solution

The fourth proportional to 8,152.31, 12,230.90 and 4,687.13 is: 7,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.31 : 12,230.90 = 4,687.13 : x
  2. Step 2: Convert to fraction form
    8,152.31/12,230.90 = 4,687.13/x
  3. Step 3: Cross multiply
    8,152.31x = 12,230.90 × 4,687.13
  4. Step 4: Simplify right side
    8,152.31x = 57,327,733.73
  5. Step 5: Solve for x
    x = 57,327,733.73/8,152.31
  6. Step 6: Final answer
    x = 7,032.09

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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.