Home / 5,287.43-7,295.81-3,049.61

Finding the Fourth Proportional to 5,287.43, 7,295.81 and 3,049.61

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Solution

The fourth proportional to 5,287.43, 7,295.81 and 3,049.61 is: 4,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.43 : 7,295.81 = 3,049.61 : x
  2. Step 2: Convert to fraction form
    5,287.43/7,295.81 = 3,049.61/x
  3. Step 3: Cross multiply
    5,287.43x = 7,295.81 × 3,049.61
  4. Step 4: Simplify right side
    5,287.43x = 22,249,323.41
  5. Step 5: Solve for x
    x = 22,249,323.41/5,287.43
  6. Step 6: Final answer
    x = 4,207.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.