Home / 8,331.21-12,500.27-3,648.80

Finding the Fourth Proportional to 8,331.21, 12,500.27 and 3,648.80

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Solution

The fourth proportional to 8,331.21, 12,500.27 and 3,648.80 is: 5,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.21 : 12,500.27 = 3,648.80 : x
  2. Step 2: Convert to fraction form
    8,331.21/12,500.27 = 3,648.80/x
  3. Step 3: Cross multiply
    8,331.21x = 12,500.27 × 3,648.80
  4. Step 4: Simplify right side
    8,331.21x = 45,610,985.18
  5. Step 5: Solve for x
    x = 45,610,985.18/8,331.21
  6. Step 6: Final answer
    x = 5,474.71

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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.