Home / 6,146.40-8,422.94-5,555.92

Finding the Fourth Proportional to 6,146.40, 8,422.94 and 5,555.92

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Solution

The fourth proportional to 6,146.40, 8,422.94 and 5,555.92 is: 7,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.40 : 8,422.94 = 5,555.92 : x
  2. Step 2: Convert to fraction form
    6,146.40/8,422.94 = 5,555.92/x
  3. Step 3: Cross multiply
    6,146.40x = 8,422.94 × 5,555.92
  4. Step 4: Simplify right side
    6,146.40x = 46,797,180.80
  5. Step 5: Solve for x
    x = 46,797,180.80/6,146.40
  6. Step 6: Final answer
    x = 7,613.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.