Home / 5,027.65-6,937.85-2,789.39

Finding the Fourth Proportional to 5,027.65, 6,937.85 and 2,789.39

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Solution

The fourth proportional to 5,027.65, 6,937.85 and 2,789.39 is: 3,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.65 : 6,937.85 = 2,789.39 : x
  2. Step 2: Convert to fraction form
    5,027.65/6,937.85 = 2,789.39/x
  3. Step 3: Cross multiply
    5,027.65x = 6,937.85 × 2,789.39
  4. Step 4: Simplify right side
    5,027.65x = 19,352,393.73
  5. Step 5: Solve for x
    x = 19,352,393.73/5,027.65
  6. Step 6: Final answer
    x = 3,849.19

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1.5x scale

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.