Home / 8,432.16-12,648.85-3,238.03

Finding the Fourth Proportional to 8,432.16, 12,648.85 and 3,238.03

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Solution

The fourth proportional to 8,432.16, 12,648.85 and 3,238.03 is: 4,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.16 : 12,648.85 = 3,238.03 : x
  2. Step 2: Convert to fraction form
    8,432.16/12,648.85 = 3,238.03/x
  3. Step 3: Cross multiply
    8,432.16x = 12,648.85 × 3,238.03
  4. Step 4: Simplify right side
    8,432.16x = 40,957,363.48
  5. Step 5: Solve for x
    x = 40,957,363.48/8,432.16
  6. Step 6: Final answer
    x = 4,857.28

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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.