Home / 5,282.17-7,915.43-2,158.40

Finding the Fourth Proportional to 5,282.17, 7,915.43 and 2,158.40

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Solution

The fourth proportional to 5,282.17, 7,915.43 and 2,158.40 is: 3,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.17 : 7,915.43 = 2,158.40 : x
  2. Step 2: Convert to fraction form
    5,282.17/7,915.43 = 2,158.40/x
  3. Step 3: Cross multiply
    5,282.17x = 7,915.43 × 2,158.40
  4. Step 4: Simplify right side
    5,282.17x = 17,084,689.30
  5. Step 5: Solve for x
    x = 17,084,689.30/5,282.17
  6. Step 6: Final answer
    x = 3,234.41

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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.