Home / 6,301.62-8,690.76-4,062.78

Finding the Fourth Proportional to 6,301.62, 8,690.76 and 4,062.78

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Solution

The fourth proportional to 6,301.62, 8,690.76 and 4,062.78 is: 5,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301.62 : 8,690.76 = 4,062.78 : x
  2. Step 2: Convert to fraction form
    6,301.62/8,690.76 = 4,062.78/x
  3. Step 3: Cross multiply
    6,301.62x = 8,690.76 × 4,062.78
  4. Step 4: Simplify right side
    6,301.62x = 35,308,645.91
  5. Step 5: Solve for x
    x = 35,308,645.91/6,301.62
  6. Step 6: Final answer
    x = 5,603.11

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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.