Home / 5,397.46-7,449.52-3,039.60

Finding the Fourth Proportional to 5,397.46, 7,449.52 and 3,039.60

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Solution

The fourth proportional to 5,397.46, 7,449.52 and 3,039.60 is: 4,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.46 : 7,449.52 = 3,039.60 : x
  2. Step 2: Convert to fraction form
    5,397.46/7,449.52 = 3,039.60/x
  3. Step 3: Cross multiply
    5,397.46x = 7,449.52 × 3,039.60
  4. Step 4: Simplify right side
    5,397.46x = 22,643,560.99
  5. Step 5: Solve for x
    x = 22,643,560.99/5,397.46
  6. Step 6: Final answer
    x = 4,195.23

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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.