Home / 5,027.78-7,545.12-2,564.28

Finding the Fourth Proportional to 5,027.78, 7,545.12 and 2,564.28

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Solution

The fourth proportional to 5,027.78, 7,545.12 and 2,564.28 is: 3,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.78 : 7,545.12 = 2,564.28 : x
  2. Step 2: Convert to fraction form
    5,027.78/7,545.12 = 2,564.28/x
  3. Step 3: Cross multiply
    5,027.78x = 7,545.12 × 2,564.28
  4. Step 4: Simplify right side
    5,027.78x = 19,347,800.31
  5. Step 5: Solve for x
    x = 19,347,800.31/5,027.78
  6. Step 6: Final answer
    x = 3,848.18

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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.