Home / 6,486.66-8,951.40-3,834.18

Finding the Fourth Proportional to 6,486.66, 8,951.40 and 3,834.18

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Solution

The fourth proportional to 6,486.66, 8,951.40 and 3,834.18 is: 5,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.66 : 8,951.40 = 3,834.18 : x
  2. Step 2: Convert to fraction form
    6,486.66/8,951.40 = 3,834.18/x
  3. Step 3: Cross multiply
    6,486.66x = 8,951.40 × 3,834.18
  4. Step 4: Simplify right side
    6,486.66x = 34,321,278.85
  5. Step 5: Solve for x
    x = 34,321,278.85/6,486.66
  6. Step 6: Final answer
    x = 5,291.06

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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.