Home / 8,648.13-11,933.61-5,110.65

Finding the Fourth Proportional to 8,648.13, 11,933.61 and 5,110.65

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Solution

The fourth proportional to 8,648.13, 11,933.61 and 5,110.65 is: 7,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.13 : 11,933.61 = 5,110.65 : x
  2. Step 2: Convert to fraction form
    8,648.13/11,933.61 = 5,110.65/x
  3. Step 3: Cross multiply
    8,648.13x = 11,933.61 × 5,110.65
  4. Step 4: Simplify right side
    8,648.13x = 60,988,503.95
  5. Step 5: Solve for x
    x = 60,988,503.95/8,648.13
  6. Step 6: Final answer
    x = 7,052.22

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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.