Home / 5,177.05-7,766.78-1,479.33

Finding the Fourth Proportional to 5,177.05, 7,766.78 and 1,479.33

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Solution

The fourth proportional to 5,177.05, 7,766.78 and 1,479.33 is: 2,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.05 : 7,766.78 = 1,479.33 : x
  2. Step 2: Convert to fraction form
    5,177.05/7,766.78 = 1,479.33/x
  3. Step 3: Cross multiply
    5,177.05x = 7,766.78 × 1,479.33
  4. Step 4: Simplify right side
    5,177.05x = 11,489,630.66
  5. Step 5: Solve for x
    x = 11,489,630.66/5,177.05
  6. Step 6: Final answer
    x = 2,219.34

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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.