Home / 5,549.87-7,657.56-3,311.31

Finding the Fourth Proportional to 5,549.87, 7,657.56 and 3,311.31

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Solution

The fourth proportional to 5,549.87, 7,657.56 and 3,311.31 is: 4,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.87 : 7,657.56 = 3,311.31 : x
  2. Step 2: Convert to fraction form
    5,549.87/7,657.56 = 3,311.31/x
  3. Step 3: Cross multiply
    5,549.87x = 7,657.56 × 3,311.31
  4. Step 4: Simplify right side
    5,549.87x = 25,356,555.00
  5. Step 5: Solve for x
    x = 25,356,555.00/5,549.87
  6. Step 6: Final answer
    x = 4,568.85

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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.