Home / 4,987.28-7,481.63-1,700.91

Finding the Fourth Proportional to 4,987.28, 7,481.63 and 1,700.91

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Solution

The fourth proportional to 4,987.28, 7,481.63 and 1,700.91 is: 2,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.28 : 7,481.63 = 1,700.91 : x
  2. Step 2: Convert to fraction form
    4,987.28/7,481.63 = 1,700.91/x
  3. Step 3: Cross multiply
    4,987.28x = 7,481.63 × 1,700.91
  4. Step 4: Simplify right side
    4,987.28x = 12,725,583.54
  5. Step 5: Solve for x
    x = 12,725,583.54/4,987.28
  6. Step 6: Final answer
    x = 2,551.61

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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.