Home / 10,582.32-15,872.04-2,791.68

Finding the Fourth Proportional to 10,582.32, 15,872.04 and 2,791.68

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Solution

The fourth proportional to 10,582.32, 15,872.04 and 2,791.68 is: 4,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582.32 : 15,872.04 = 2,791.68 : x
  2. Step 2: Convert to fraction form
    10,582.32/15,872.04 = 2,791.68/x
  3. Step 3: Cross multiply
    10,582.32x = 15,872.04 × 2,791.68
  4. Step 4: Simplify right side
    10,582.32x = 44,309,656.63
  5. Step 5: Solve for x
    x = 44,309,656.63/10,582.32
  6. Step 6: Final answer
    x = 4,187.14

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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.