Home / 4,777.48-7,177.20-3,394.18

Finding the Fourth Proportional to 4,777.48, 7,177.20 and 3,394.18

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Solution

The fourth proportional to 4,777.48, 7,177.20 and 3,394.18 is: 5,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.48 : 7,177.20 = 3,394.18 : x
  2. Step 2: Convert to fraction form
    4,777.48/7,177.20 = 3,394.18/x
  3. Step 3: Cross multiply
    4,777.48x = 7,177.20 × 3,394.18
  4. Step 4: Simplify right side
    4,777.48x = 24,360,708.70
  5. Step 5: Solve for x
    x = 24,360,708.70/4,777.48
  6. Step 6: Final answer
    x = 5,099.07

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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.