Home / 6,748.40-10,114.20-3,462.80

Finding the Fourth Proportional to 6,748.40, 10,114.20 and 3,462.80

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Solution

The fourth proportional to 6,748.40, 10,114.20 and 3,462.80 is: 5,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.40 : 10,114.20 = 3,462.80 : x
  2. Step 2: Convert to fraction form
    6,748.40/10,114.20 = 3,462.80/x
  3. Step 3: Cross multiply
    6,748.40x = 10,114.20 × 3,462.80
  4. Step 4: Simplify right side
    6,748.40x = 35,023,451.76
  5. Step 5: Solve for x
    x = 35,023,451.76/6,748.40
  6. Step 6: Final answer
    x = 5,189.89

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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.