Home / 8,083.48-12,119.28-3,152.20

Finding the Fourth Proportional to 8,083.48, 12,119.28 and 3,152.20

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Solution

The fourth proportional to 8,083.48, 12,119.28 and 3,152.20 is: 4,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.48 : 12,119.28 = 3,152.20 : x
  2. Step 2: Convert to fraction form
    8,083.48/12,119.28 = 3,152.20/x
  3. Step 3: Cross multiply
    8,083.48x = 12,119.28 × 3,152.20
  4. Step 4: Simplify right side
    8,083.48x = 38,202,394.42
  5. Step 5: Solve for x
    x = 38,202,394.42/8,083.48
  6. Step 6: Final answer
    x = 4,725.98

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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.