Home / 7,860.48-11,789.76-2,017.12

Finding the Fourth Proportional to 7,860.48, 11,789.76 and 2,017.12

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Solution

The fourth proportional to 7,860.48, 11,789.76 and 2,017.12 is: 3,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.48 : 11,789.76 = 2,017.12 : x
  2. Step 2: Convert to fraction form
    7,860.48/11,789.76 = 2,017.12/x
  3. Step 3: Cross multiply
    7,860.48x = 11,789.76 × 2,017.12
  4. Step 4: Simplify right side
    7,860.48x = 23,781,360.69
  5. Step 5: Solve for x
    x = 23,781,360.69/7,860.48
  6. Step 6: Final answer
    x = 3,025.43

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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.