Home / 6,126.13-8,454.78-3,642.13

Finding the Fourth Proportional to 6,126.13, 8,454.78 and 3,642.13

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Solution

The fourth proportional to 6,126.13, 8,454.78 and 3,642.13 is: 5,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.13 : 8,454.78 = 3,642.13 : x
  2. Step 2: Convert to fraction form
    6,126.13/8,454.78 = 3,642.13/x
  3. Step 3: Cross multiply
    6,126.13x = 8,454.78 × 3,642.13
  4. Step 4: Simplify right side
    6,126.13x = 30,793,407.88
  5. Step 5: Solve for x
    x = 30,793,407.88/6,126.13
  6. Step 6: Final answer
    x = 5,026.57

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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.