Home / 5,157.17-7,734.52-2,381.18

Finding the Fourth Proportional to 5,157.17, 7,734.52 and 2,381.18

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Solution

The fourth proportional to 5,157.17, 7,734.52 and 2,381.18 is: 3,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.17 : 7,734.52 = 2,381.18 : x
  2. Step 2: Convert to fraction form
    5,157.17/7,734.52 = 2,381.18/x
  3. Step 3: Cross multiply
    5,157.17x = 7,734.52 × 2,381.18
  4. Step 4: Simplify right side
    5,157.17x = 18,417,262.02
  5. Step 5: Solve for x
    x = 18,417,262.02/5,157.17
  6. Step 6: Final answer
    x = 3,571.19

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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.