Home / 9,149.78-12,626.76-4,958.03

Finding the Fourth Proportional to 9,149.78, 12,626.76 and 4,958.03

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Solution

The fourth proportional to 9,149.78, 12,626.76 and 4,958.03 is: 6,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.78 : 12,626.76 = 4,958.03 : x
  2. Step 2: Convert to fraction form
    9,149.78/12,626.76 = 4,958.03/x
  3. Step 3: Cross multiply
    9,149.78x = 12,626.76 × 4,958.03
  4. Step 4: Simplify right side
    9,149.78x = 62,603,854.88
  5. Step 5: Solve for x
    x = 62,603,854.88/9,149.78
  6. Step 6: Final answer
    x = 6,842.12

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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.