Home / 7,924.38-11,887.86-2,729.04

Finding the Fourth Proportional to 7,924.38, 11,887.86 and 2,729.04

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Solution

The fourth proportional to 7,924.38, 11,887.86 and 2,729.04 is: 4,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.38 : 11,887.86 = 2,729.04 : x
  2. Step 2: Convert to fraction form
    7,924.38/11,887.86 = 2,729.04/x
  3. Step 3: Cross multiply
    7,924.38x = 11,887.86 × 2,729.04
  4. Step 4: Simplify right side
    7,924.38x = 32,442,445.45
  5. Step 5: Solve for x
    x = 32,442,445.45/7,924.38
  6. Step 6: Final answer
    x = 4,094.00

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1.5x scale

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.