Home / 6,387.15-8,812.95-3,734.04

Finding the Fourth Proportional to 6,387.15, 8,812.95 and 3,734.04

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Solution

The fourth proportional to 6,387.15, 8,812.95 and 3,734.04 is: 5,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.15 : 8,812.95 = 3,734.04 : x
  2. Step 2: Convert to fraction form
    6,387.15/8,812.95 = 3,734.04/x
  3. Step 3: Cross multiply
    6,387.15x = 8,812.95 × 3,734.04
  4. Step 4: Simplify right side
    6,387.15x = 32,907,907.82
  5. Step 5: Solve for x
    x = 32,907,907.82/6,387.15
  6. Step 6: Final answer
    x = 5,152.21

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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.