Home / 5,390.97-7,439.49-3,033.15

Finding the Fourth Proportional to 5,390.97, 7,439.49 and 3,033.15

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Solution

The fourth proportional to 5,390.97, 7,439.49 and 3,033.15 is: 4,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.97 : 7,439.49 = 3,033.15 : x
  2. Step 2: Convert to fraction form
    5,390.97/7,439.49 = 3,033.15/x
  3. Step 3: Cross multiply
    5,390.97x = 7,439.49 × 3,033.15
  4. Step 4: Simplify right side
    5,390.97x = 22,565,089.09
  5. Step 5: Solve for x
    x = 22,565,089.09/5,390.97
  6. Step 6: Final answer
    x = 4,185.72

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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.