Home / 4,807.76-7,213.79-2,613.20

Finding the Fourth Proportional to 4,807.76, 7,213.79 and 2,613.20

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Solution

The fourth proportional to 4,807.76, 7,213.79 and 2,613.20 is: 3,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.76 : 7,213.79 = 2,613.20 : x
  2. Step 2: Convert to fraction form
    4,807.76/7,213.79 = 2,613.20/x
  3. Step 3: Cross multiply
    4,807.76x = 7,213.79 × 2,613.20
  4. Step 4: Simplify right side
    4,807.76x = 18,851,046.49
  5. Step 5: Solve for x
    x = 18,851,046.49/4,807.76
  6. Step 6: Final answer
    x = 3,920.97

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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.