Home / 9,155.39-13,735.65-2,581.61

Finding the Fourth Proportional to 9,155.39, 13,735.65 and 2,581.61

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Solution

The fourth proportional to 9,155.39, 13,735.65 and 2,581.61 is: 3,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.39 : 13,735.65 = 2,581.61 : x
  2. Step 2: Convert to fraction form
    9,155.39/13,735.65 = 2,581.61/x
  3. Step 3: Cross multiply
    9,155.39x = 13,735.65 × 2,581.61
  4. Step 4: Simplify right side
    9,155.39x = 35,460,091.40
  5. Step 5: Solve for x
    x = 35,460,091.40/9,155.39
  6. Step 6: Final answer
    x = 3,873.14

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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.