Home / 9,240.91-12,752.45-4,991.97

Finding the Fourth Proportional to 9,240.91, 12,752.45 and 4,991.97

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Solution

The fourth proportional to 9,240.91, 12,752.45 and 4,991.97 is: 6,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.91 : 12,752.45 = 4,991.97 : x
  2. Step 2: Convert to fraction form
    9,240.91/12,752.45 = 4,991.97/x
  3. Step 3: Cross multiply
    9,240.91x = 12,752.45 × 4,991.97
  4. Step 4: Simplify right side
    9,240.91x = 63,659,822.87
  5. Step 5: Solve for x
    x = 63,659,822.87/9,240.91
  6. Step 6: Final answer
    x = 6,888.92

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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.