Home / 5,147.25-7,722.36-2,957.55

Finding the Fourth Proportional to 5,147.25, 7,722.36 and 2,957.55

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Solution

The fourth proportional to 5,147.25, 7,722.36 and 2,957.55 is: 4,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.25 : 7,722.36 = 2,957.55 : x
  2. Step 2: Convert to fraction form
    5,147.25/7,722.36 = 2,957.55/x
  3. Step 3: Cross multiply
    5,147.25x = 7,722.36 × 2,957.55
  4. Step 4: Simplify right side
    5,147.25x = 22,839,265.82
  5. Step 5: Solve for x
    x = 22,839,265.82/5,147.25
  6. Step 6: Final answer
    x = 4,437.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.