Home / 6,456.16-8,912.45-4,963.55

Finding the Fourth Proportional to 6,456.16, 8,912.45 and 4,963.55

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Solution

The fourth proportional to 6,456.16, 8,912.45 and 4,963.55 is: 6,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.16 : 8,912.45 = 4,963.55 : x
  2. Step 2: Convert to fraction form
    6,456.16/8,912.45 = 4,963.55/x
  3. Step 3: Cross multiply
    6,456.16x = 8,912.45 × 4,963.55
  4. Step 4: Simplify right side
    6,456.16x = 44,237,391.20
  5. Step 5: Solve for x
    x = 44,237,391.20/6,456.16
  6. Step 6: Final answer
    x = 6,851.97

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1.5x scale

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.