Home / 6,660.46-9,191.16-3,934.96

Finding the Fourth Proportional to 6,660.46, 9,191.16 and 3,934.96

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Solution

The fourth proportional to 6,660.46, 9,191.16 and 3,934.96 is: 5,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.46 : 9,191.16 = 3,934.96 : x
  2. Step 2: Convert to fraction form
    6,660.46/9,191.16 = 3,934.96/x
  3. Step 3: Cross multiply
    6,660.46x = 9,191.16 × 3,934.96
  4. Step 4: Simplify right side
    6,660.46x = 36,166,846.95
  5. Step 5: Solve for x
    x = 36,166,846.95/6,660.46
  6. Step 6: Final answer
    x = 5,430.08

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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.