Home / 5,027.76-6,937.80-2,789.28

Finding the Fourth Proportional to 5,027.76, 6,937.80 and 2,789.28

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Solution

The fourth proportional to 5,027.76, 6,937.80 and 2,789.28 is: 3,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.76 : 6,937.80 = 2,789.28 : x
  2. Step 2: Convert to fraction form
    5,027.76/6,937.80 = 2,789.28/x
  3. Step 3: Cross multiply
    5,027.76x = 6,937.80 × 2,789.28
  4. Step 4: Simplify right side
    5,027.76x = 19,351,466.78
  5. Step 5: Solve for x
    x = 19,351,466.78/5,027.76
  6. Step 6: Final answer
    x = 3,848.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.