Home / 4,988.27-7,481.69-1,867.85

Finding the Fourth Proportional to 4,988.27, 7,481.69 and 1,867.85

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Solution

The fourth proportional to 4,988.27, 7,481.69 and 1,867.85 is: 2,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.27 : 7,481.69 = 1,867.85 : x
  2. Step 2: Convert to fraction form
    4,988.27/7,481.69 = 1,867.85/x
  3. Step 3: Cross multiply
    4,988.27x = 7,481.69 × 1,867.85
  4. Step 4: Simplify right side
    4,988.27x = 13,974,627.92
  5. Step 5: Solve for x
    x = 13,974,627.92/4,988.27
  6. Step 6: Final answer
    x = 2,801.50

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Double scale
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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.