Home / 7,853.29-11,781.92-2,306.81

Finding the Fourth Proportional to 7,853.29, 11,781.92 and 2,306.81

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Solution

The fourth proportional to 7,853.29, 11,781.92 and 2,306.81 is: 3,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.29 : 11,781.92 = 2,306.81 : x
  2. Step 2: Convert to fraction form
    7,853.29/11,781.92 = 2,306.81/x
  3. Step 3: Cross multiply
    7,853.29x = 11,781.92 × 2,306.81
  4. Step 4: Simplify right side
    7,853.29x = 27,178,686.10
  5. Step 5: Solve for x
    x = 27,178,686.10/7,853.29
  6. Step 6: Final answer
    x = 3,460.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.