Home / 7,500.18-11,246.97-3,989.34

Finding the Fourth Proportional to 7,500.18, 11,246.97 and 3,989.34

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Solution

The fourth proportional to 7,500.18, 11,246.97 and 3,989.34 is: 5,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.18 : 11,246.97 = 3,989.34 : x
  2. Step 2: Convert to fraction form
    7,500.18/11,246.97 = 3,989.34/x
  3. Step 3: Cross multiply
    7,500.18x = 11,246.97 × 3,989.34
  4. Step 4: Simplify right side
    7,500.18x = 44,867,987.30
  5. Step 5: Solve for x
    x = 44,867,987.30/7,500.18
  6. Step 6: Final answer
    x = 5,982.25

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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.