Home / 5,177.43-7,765.49-1,479.98

Finding the Fourth Proportional to 5,177.43, 7,765.49 and 1,479.98

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Solution

The fourth proportional to 5,177.43, 7,765.49 and 1,479.98 is: 2,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.43 : 7,765.49 = 1,479.98 : x
  2. Step 2: Convert to fraction form
    5,177.43/7,765.49 = 1,479.98/x
  3. Step 3: Cross multiply
    5,177.43x = 7,765.49 × 1,479.98
  4. Step 4: Simplify right side
    5,177.43x = 11,492,723.66
  5. Step 5: Solve for x
    x = 11,492,723.66/5,177.43
  6. Step 6: Final answer
    x = 2,219.77

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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.