Home / 7,287.45-10,932.72-4,168.95

Finding the Fourth Proportional to 7,287.45, 10,932.72 and 4,168.95

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Solution

The fourth proportional to 7,287.45, 10,932.72 and 4,168.95 is: 6,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.45 : 10,932.72 = 4,168.95 : x
  2. Step 2: Convert to fraction form
    7,287.45/10,932.72 = 4,168.95/x
  3. Step 3: Cross multiply
    7,287.45x = 10,932.72 × 4,168.95
  4. Step 4: Simplify right side
    7,287.45x = 45,577,963.04
  5. Step 5: Solve for x
    x = 45,577,963.04/7,287.45
  6. Step 6: Final answer
    x = 6,254.31

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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.