Home / 5,077.76-7,602.90-3,318.38

Finding the Fourth Proportional to 5,077.76, 7,602.90 and 3,318.38

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Solution

The fourth proportional to 5,077.76, 7,602.90 and 3,318.38 is: 4,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.76 : 7,602.90 = 3,318.38 : x
  2. Step 2: Convert to fraction form
    5,077.76/7,602.90 = 3,318.38/x
  3. Step 3: Cross multiply
    5,077.76x = 7,602.90 × 3,318.38
  4. Step 4: Simplify right side
    5,077.76x = 25,229,311.30
  5. Step 5: Solve for x
    x = 25,229,311.30/5,077.76
  6. Step 6: Final answer
    x = 4,968.59

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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.