Home / 8,094.40-12,132.15-3,712.30

Finding the Fourth Proportional to 8,094.40, 12,132.15 and 3,712.30

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Solution

The fourth proportional to 8,094.40, 12,132.15 and 3,712.30 is: 5,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.40 : 12,132.15 = 3,712.30 : x
  2. Step 2: Convert to fraction form
    8,094.40/12,132.15 = 3,712.30/x
  3. Step 3: Cross multiply
    8,094.40x = 12,132.15 × 3,712.30
  4. Step 4: Simplify right side
    8,094.40x = 45,038,180.45
  5. Step 5: Solve for x
    x = 45,038,180.45/8,094.40
  6. Step 6: Final answer
    x = 5,564.12

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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.