Home / 5,279.04-7,905.60-3,630.96

Finding the Fourth Proportional to 5,279.04, 7,905.60 and 3,630.96

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Solution

The fourth proportional to 5,279.04, 7,905.60 and 3,630.96 is: 5,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.04 : 7,905.60 = 3,630.96 : x
  2. Step 2: Convert to fraction form
    5,279.04/7,905.60 = 3,630.96/x
  3. Step 3: Cross multiply
    5,279.04x = 7,905.60 × 3,630.96
  4. Step 4: Simplify right side
    5,279.04x = 28,704,917.38
  5. Step 5: Solve for x
    x = 28,704,917.38/5,279.04
  6. Step 6: Final answer
    x = 5,437.53

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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.