Home / 6,687.83-9,233.67-4,170.95

Finding the Fourth Proportional to 6,687.83, 9,233.67 and 4,170.95

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Solution

The fourth proportional to 6,687.83, 9,233.67 and 4,170.95 is: 5,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.83 : 9,233.67 = 4,170.95 : x
  2. Step 2: Convert to fraction form
    6,687.83/9,233.67 = 4,170.95/x
  3. Step 3: Cross multiply
    6,687.83x = 9,233.67 × 4,170.95
  4. Step 4: Simplify right side
    6,687.83x = 38,513,175.89
  5. Step 5: Solve for x
    x = 38,513,175.89/6,687.83
  6. Step 6: Final answer
    x = 5,758.70

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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.