Home / 7,844.64-11,765.88-2,913.52

Finding the Fourth Proportional to 7,844.64, 11,765.88 and 2,913.52

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Solution

The fourth proportional to 7,844.64, 11,765.88 and 2,913.52 is: 4,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.64 : 11,765.88 = 2,913.52 : x
  2. Step 2: Convert to fraction form
    7,844.64/11,765.88 = 2,913.52/x
  3. Step 3: Cross multiply
    7,844.64x = 11,765.88 × 2,913.52
  4. Step 4: Simplify right side
    7,844.64x = 34,280,126.70
  5. Step 5: Solve for x
    x = 34,280,126.70/7,844.64
  6. Step 6: Final answer
    x = 4,369.88

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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.