Home / 4,758.80-7,138.22-2,581.34

Finding the Fourth Proportional to 4,758.80, 7,138.22 and 2,581.34

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Solution

The fourth proportional to 4,758.80, 7,138.22 and 2,581.34 is: 3,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.80 : 7,138.22 = 2,581.34 : x
  2. Step 2: Convert to fraction form
    4,758.80/7,138.22 = 2,581.34/x
  3. Step 3: Cross multiply
    4,758.80x = 7,138.22 × 2,581.34
  4. Step 4: Simplify right side
    4,758.80x = 18,426,124.22
  5. Step 5: Solve for x
    x = 18,426,124.22/4,758.80
  6. Step 6: Final answer
    x = 3,872.01

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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.