Home / 8,157.68-12,238.04-2,963.28

Finding the Fourth Proportional to 8,157.68, 12,238.04 and 2,963.28

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Solution

The fourth proportional to 8,157.68, 12,238.04 and 2,963.28 is: 4,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.68 : 12,238.04 = 2,963.28 : x
  2. Step 2: Convert to fraction form
    8,157.68/12,238.04 = 2,963.28/x
  3. Step 3: Cross multiply
    8,157.68x = 12,238.04 × 2,963.28
  4. Step 4: Simplify right side
    8,157.68x = 36,264,739.17
  5. Step 5: Solve for x
    x = 36,264,739.17/8,157.68
  6. Step 6: Final answer
    x = 4,445.47

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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.