Home / 6,888.85-10,329.49-3,189.04

Finding the Fourth Proportional to 6,888.85, 10,329.49 and 3,189.04

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Solution

The fourth proportional to 6,888.85, 10,329.49 and 3,189.04 is: 4,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.85 : 10,329.49 = 3,189.04 : x
  2. Step 2: Convert to fraction form
    6,888.85/10,329.49 = 3,189.04/x
  3. Step 3: Cross multiply
    6,888.85x = 10,329.49 × 3,189.04
  4. Step 4: Simplify right side
    6,888.85x = 32,941,134.95
  5. Step 5: Solve for x
    x = 32,941,134.95/6,888.85
  6. Step 6: Final answer
    x = 4,781.81

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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.