Home / 4,300.60-6,456.90-2,750.20

Finding the Fourth Proportional to 4,300.60, 6,456.90 and 2,750.20

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Solution

The fourth proportional to 4,300.60, 6,456.90 and 2,750.20 is: 4,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.60 : 6,456.90 = 2,750.20 : x
  2. Step 2: Convert to fraction form
    4,300.60/6,456.90 = 2,750.20/x
  3. Step 3: Cross multiply
    4,300.60x = 6,456.90 × 2,750.20
  4. Step 4: Simplify right side
    4,300.60x = 17,757,766.38
  5. Step 5: Solve for x
    x = 17,757,766.38/4,300.60
  6. Step 6: Final answer
    x = 4,129.14

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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.