Home / 9,142.98-12,617.28-4,951.23

Finding the Fourth Proportional to 9,142.98, 12,617.28 and 4,951.23

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Solution

The fourth proportional to 9,142.98, 12,617.28 and 4,951.23 is: 6,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.98 : 12,617.28 = 4,951.23 : x
  2. Step 2: Convert to fraction form
    9,142.98/12,617.28 = 4,951.23/x
  3. Step 3: Cross multiply
    9,142.98x = 12,617.28 × 4,951.23
  4. Step 4: Simplify right side
    9,142.98x = 62,471,055.25
  5. Step 5: Solve for x
    x = 62,471,055.25/9,142.98
  6. Step 6: Final answer
    x = 6,832.68

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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.