Home / 6,103.26-8,422.62-3,712.40

Finding the Fourth Proportional to 6,103.26, 8,422.62 and 3,712.40

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Solution

The fourth proportional to 6,103.26, 8,422.62 and 3,712.40 is: 5,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.26 : 8,422.62 = 3,712.40 : x
  2. Step 2: Convert to fraction form
    6,103.26/8,422.62 = 3,712.40/x
  3. Step 3: Cross multiply
    6,103.26x = 8,422.62 × 3,712.40
  4. Step 4: Simplify right side
    6,103.26x = 31,268,134.49
  5. Step 5: Solve for x
    x = 31,268,134.49/6,103.26
  6. Step 6: Final answer
    x = 5,123.19

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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.