Home / 6,422.49-9,618.55-5,474.79

Finding the Fourth Proportional to 6,422.49, 9,618.55 and 5,474.79

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Solution

The fourth proportional to 6,422.49, 9,618.55 and 5,474.79 is: 8,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.49 : 9,618.55 = 5,474.79 : x
  2. Step 2: Convert to fraction form
    6,422.49/9,618.55 = 5,474.79/x
  3. Step 3: Cross multiply
    6,422.49x = 9,618.55 × 5,474.79
  4. Step 4: Simplify right side
    6,422.49x = 52,659,527.67
  5. Step 5: Solve for x
    x = 52,659,527.67/6,422.49
  6. Step 6: Final answer
    x = 8,199.24

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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.