Home / 8,331.41-12,500.36-3,140.93

Finding the Fourth Proportional to 8,331.41, 12,500.36 and 3,140.93

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Solution

The fourth proportional to 8,331.41, 12,500.36 and 3,140.93 is: 4,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.41 : 12,500.36 = 3,140.93 : x
  2. Step 2: Convert to fraction form
    8,331.41/12,500.36 = 3,140.93/x
  3. Step 3: Cross multiply
    8,331.41x = 12,500.36 × 3,140.93
  4. Step 4: Simplify right side
    8,331.41x = 39,262,755.73
  5. Step 5: Solve for x
    x = 39,262,755.73/8,331.41
  6. Step 6: Final answer
    x = 4,712.62

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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.