Home / 6,466-8,927.32-4,079.56

Finding the Fourth Proportional to 6,466, 8,927.32 and 4,079.56

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Solution

The fourth proportional to 6,466, 8,927.32 and 4,079.56 is: 5,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466 : 8,927.32 = 4,079.56 : x
  2. Step 2: Convert to fraction form
    6,466/8,927.32 = 4,079.56/x
  3. Step 3: Cross multiply
    6,466x = 8,927.32 × 4,079.56
  4. Step 4: Simplify right side
    6,466x = 36,419,537.58
  5. Step 5: Solve for x
    x = 36,419,537.58/6,466
  6. Step 6: Final answer
    x = 5,632.47

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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.