Home / 8,418.08-11,617.28-4,692

Finding the Fourth Proportional to 8,418.08, 11,617.28 and 4,692

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Solution

The fourth proportional to 8,418.08, 11,617.28 and 4,692 is: 6,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.08 : 11,617.28 = 4,692 : x
  2. Step 2: Convert to fraction form
    8,418.08/11,617.28 = 4,692/x
  3. Step 3: Cross multiply
    8,418.08x = 11,617.28 × 4,692
  4. Step 4: Simplify right side
    8,418.08x = 54,508,277.76
  5. Step 5: Solve for x
    x = 54,508,277.76/8,418.08
  6. Step 6: Final answer
    x = 6,475.14

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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.