Home / 5,282.12-7,915.17-3,959.48

Finding the Fourth Proportional to 5,282.12, 7,915.17 and 3,959.48

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Solution

The fourth proportional to 5,282.12, 7,915.17 and 3,959.48 is: 5,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.12 : 7,915.17 = 3,959.48 : x
  2. Step 2: Convert to fraction form
    5,282.12/7,915.17 = 3,959.48/x
  3. Step 3: Cross multiply
    5,282.12x = 7,915.17 × 3,959.48
  4. Step 4: Simplify right side
    5,282.12x = 31,339,957.31
  5. Step 5: Solve for x
    x = 31,339,957.31/5,282.12
  6. Step 6: Final answer
    x = 5,933.22

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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.