Home / 4,768.11-7,151.56-1,481.13

Finding the Fourth Proportional to 4,768.11, 7,151.56 and 1,481.13

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Solution

The fourth proportional to 4,768.11, 7,151.56 and 1,481.13 is: 2,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.11 : 7,151.56 = 1,481.13 : x
  2. Step 2: Convert to fraction form
    4,768.11/7,151.56 = 1,481.13/x
  3. Step 3: Cross multiply
    4,768.11x = 7,151.56 × 1,481.13
  4. Step 4: Simplify right side
    4,768.11x = 10,592,386.36
  5. Step 5: Solve for x
    x = 10,592,386.36/4,768.11
  6. Step 6: Final answer
    x = 2,221.51

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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.