Home / 9,081.30-13,626.09-4,398.78

Finding the Fourth Proportional to 9,081.30, 13,626.09 and 4,398.78

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Solution

The fourth proportional to 9,081.30, 13,626.09 and 4,398.78 is: 6,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.30 : 13,626.09 = 4,398.78 : x
  2. Step 2: Convert to fraction form
    9,081.30/13,626.09 = 4,398.78/x
  3. Step 3: Cross multiply
    9,081.30x = 13,626.09 × 4,398.78
  4. Step 4: Simplify right side
    9,081.30x = 59,938,172.17
  5. Step 5: Solve for x
    x = 59,938,172.17/9,081.30
  6. Step 6: Final answer
    x = 6,600.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.