Home / 5,279.01-7,918.51-3,630.57

Finding the Fourth Proportional to 5,279.01, 7,918.51 and 3,630.57

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Solution

The fourth proportional to 5,279.01, 7,918.51 and 3,630.57 is: 5,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.01 : 7,918.51 = 3,630.57 : x
  2. Step 2: Convert to fraction form
    5,279.01/7,918.51 = 3,630.57/x
  3. Step 3: Cross multiply
    5,279.01x = 7,918.51 × 3,630.57
  4. Step 4: Simplify right side
    5,279.01x = 28,748,704.85
  5. Step 5: Solve for x
    x = 28,748,704.85/5,279.01
  6. Step 6: Final answer
    x = 5,445.85

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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.