Home / 5,549.31-7,657.08-3,311.05

Finding the Fourth Proportional to 5,549.31, 7,657.08 and 3,311.05

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Solution

The fourth proportional to 5,549.31, 7,657.08 and 3,311.05 is: 4,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.31 : 7,657.08 = 3,311.05 : x
  2. Step 2: Convert to fraction form
    5,549.31/7,657.08 = 3,311.05/x
  3. Step 3: Cross multiply
    5,549.31x = 7,657.08 × 3,311.05
  4. Step 4: Simplify right side
    5,549.31x = 25,352,997.69
  5. Step 5: Solve for x
    x = 25,352,997.69/5,549.31
  6. Step 6: Final answer
    x = 4,568.68

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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.