Home / 5,122.17-7,061.99-3,353.13

Finding the Fourth Proportional to 5,122.17, 7,061.99 and 3,353.13

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Solution

The fourth proportional to 5,122.17, 7,061.99 and 3,353.13 is: 4,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.17 : 7,061.99 = 3,353.13 : x
  2. Step 2: Convert to fraction form
    5,122.17/7,061.99 = 3,353.13/x
  3. Step 3: Cross multiply
    5,122.17x = 7,061.99 × 3,353.13
  4. Step 4: Simplify right side
    5,122.17x = 23,679,753.76
  5. Step 5: Solve for x
    x = 23,679,753.76/5,122.17
  6. Step 6: Final answer
    x = 4,622.99

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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.