Home / 5,987.50-8,973.75-3,207.28

Finding the Fourth Proportional to 5,987.50, 8,973.75 and 3,207.28

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Solution

The fourth proportional to 5,987.50, 8,973.75 and 3,207.28 is: 4,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.50 : 8,973.75 = 3,207.28 : x
  2. Step 2: Convert to fraction form
    5,987.50/8,973.75 = 3,207.28/x
  3. Step 3: Cross multiply
    5,987.50x = 8,973.75 × 3,207.28
  4. Step 4: Simplify right side
    5,987.50x = 28,781,328.90
  5. Step 5: Solve for x
    x = 28,781,328.90/5,987.50
  6. Step 6: Final answer
    x = 4,806.90

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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.