Home / 8,442.72-11,650.32-4,716

Finding the Fourth Proportional to 8,442.72, 11,650.32 and 4,716

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Solution

The fourth proportional to 8,442.72, 11,650.32 and 4,716 is: 6,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.72 : 11,650.32 = 4,716 : x
  2. Step 2: Convert to fraction form
    8,442.72/11,650.32 = 4,716/x
  3. Step 3: Cross multiply
    8,442.72x = 11,650.32 × 4,716
  4. Step 4: Simplify right side
    8,442.72x = 54,942,909.12
  5. Step 5: Solve for x
    x = 54,942,909.12/8,442.72
  6. Step 6: Final answer
    x = 6,507.73

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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.