Home / 9,310.35-12,847.17-5,331.21

Finding the Fourth Proportional to 9,310.35, 12,847.17 and 5,331.21

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Solution

The fourth proportional to 9,310.35, 12,847.17 and 5,331.21 is: 7,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.35 : 12,847.17 = 5,331.21 : x
  2. Step 2: Convert to fraction form
    9,310.35/12,847.17 = 5,331.21/x
  3. Step 3: Cross multiply
    9,310.35x = 12,847.17 × 5,331.21
  4. Step 4: Simplify right side
    9,310.35x = 68,490,961.18
  5. Step 5: Solve for x
    x = 68,490,961.18/9,310.35
  6. Step 6: Final answer
    x = 7,356.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.