Home / 8,306.57-11,463.98-5,119.22

Finding the Fourth Proportional to 8,306.57, 11,463.98 and 5,119.22

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Solution

The fourth proportional to 8,306.57, 11,463.98 and 5,119.22 is: 7,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.57 : 11,463.98 = 5,119.22 : x
  2. Step 2: Convert to fraction form
    8,306.57/11,463.98 = 5,119.22/x
  3. Step 3: Cross multiply
    8,306.57x = 11,463.98 × 5,119.22
  4. Step 4: Simplify right side
    8,306.57x = 58,686,635.70
  5. Step 5: Solve for x
    x = 58,686,635.70/8,306.57
  6. Step 6: Final answer
    x = 7,065.09

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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.