Home / 9,131.68-12,601.74-4,939.93

Finding the Fourth Proportional to 9,131.68, 12,601.74 and 4,939.93

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Solution

The fourth proportional to 9,131.68, 12,601.74 and 4,939.93 is: 6,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.68 : 12,601.74 = 4,939.93 : x
  2. Step 2: Convert to fraction form
    9,131.68/12,601.74 = 4,939.93/x
  3. Step 3: Cross multiply
    9,131.68x = 12,601.74 × 4,939.93
  4. Step 4: Simplify right side
    9,131.68x = 62,251,713.48
  5. Step 5: Solve for x
    x = 62,251,713.48/9,131.68
  6. Step 6: Final answer
    x = 6,817.12

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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.