Home / 4,767.68-7,151.18-1,993.34

Finding the Fourth Proportional to 4,767.68, 7,151.18 and 1,993.34

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Solution

The fourth proportional to 4,767.68, 7,151.18 and 1,993.34 is: 2,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.68 : 7,151.18 = 1,993.34 : x
  2. Step 2: Convert to fraction form
    4,767.68/7,151.18 = 1,993.34/x
  3. Step 3: Cross multiply
    4,767.68x = 7,151.18 × 1,993.34
  4. Step 4: Simplify right side
    4,767.68x = 14,254,687.42
  5. Step 5: Solve for x
    x = 14,254,687.42/4,767.68
  6. Step 6: Final answer
    x = 2,989.86

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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.