Home / 5,099.20-7,647.96-4,767.12

Finding the Fourth Proportional to 5,099.20, 7,647.96 and 4,767.12

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Solution

The fourth proportional to 5,099.20, 7,647.96 and 4,767.12 is: 7,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.20 : 7,647.96 = 4,767.12 : x
  2. Step 2: Convert to fraction form
    5,099.20/7,647.96 = 4,767.12/x
  3. Step 3: Cross multiply
    5,099.20x = 7,647.96 × 4,767.12
  4. Step 4: Simplify right side
    5,099.20x = 36,458,743.08
  5. Step 5: Solve for x
    x = 36,458,743.08/5,099.20
  6. Step 6: Final answer
    x = 7,149.89

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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.