Home / 8,432.53-12,648.42-2,886.37

Finding the Fourth Proportional to 8,432.53, 12,648.42 and 2,886.37

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Solution

The fourth proportional to 8,432.53, 12,648.42 and 2,886.37 is: 4,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.53 : 12,648.42 = 2,886.37 : x
  2. Step 2: Convert to fraction form
    8,432.53/12,648.42 = 2,886.37/x
  3. Step 3: Cross multiply
    8,432.53x = 12,648.42 × 2,886.37
  4. Step 4: Simplify right side
    8,432.53x = 36,508,020.04
  5. Step 5: Solve for x
    x = 36,508,020.04/8,432.53
  6. Step 6: Final answer
    x = 4,329.43

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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.