Home / 5,177.36-7,764.24-1,478.59

Finding the Fourth Proportional to 5,177.36, 7,764.24 and 1,478.59

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Solution

The fourth proportional to 5,177.36, 7,764.24 and 1,478.59 is: 2,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.36 : 7,764.24 = 1,478.59 : x
  2. Step 2: Convert to fraction form
    5,177.36/7,764.24 = 1,478.59/x
  3. Step 3: Cross multiply
    5,177.36x = 7,764.24 × 1,478.59
  4. Step 4: Simplify right side
    5,177.36x = 11,480,127.62
  5. Step 5: Solve for x
    x = 11,480,127.62/5,177.36
  6. Step 6: Final answer
    x = 2,217.37

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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.