Home / 5,397.27-7,449.35-3,160.32

Finding the Fourth Proportional to 5,397.27, 7,449.35 and 3,160.32

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Solution

The fourth proportional to 5,397.27, 7,449.35 and 3,160.32 is: 4,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.27 : 7,449.35 = 3,160.32 : x
  2. Step 2: Convert to fraction form
    5,397.27/7,449.35 = 3,160.32/x
  3. Step 3: Cross multiply
    5,397.27x = 7,449.35 × 3,160.32
  4. Step 4: Simplify right side
    5,397.27x = 23,542,313.99
  5. Step 5: Solve for x
    x = 23,542,313.99/5,397.27
  6. Step 6: Final answer
    x = 4,361.89

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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.