Home / 9,083.40-13,626.64-2,842.20

Finding the Fourth Proportional to 9,083.40, 13,626.64 and 2,842.20

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Solution

The fourth proportional to 9,083.40, 13,626.64 and 2,842.20 is: 4,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,083.40 : 13,626.64 = 2,842.20 : x
  2. Step 2: Convert to fraction form
    9,083.40/13,626.64 = 2,842.20/x
  3. Step 3: Cross multiply
    9,083.40x = 13,626.64 × 2,842.20
  4. Step 4: Simplify right side
    9,083.40x = 38,729,636.21
  5. Step 5: Solve for x
    x = 38,729,636.21/9,083.40
  6. Step 6: Final answer
    x = 4,263.78

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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.