Home / 5,160.22-7,740.33-1,264.59

Finding the Fourth Proportional to 5,160.22, 7,740.33 and 1,264.59

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Solution

The fourth proportional to 5,160.22, 7,740.33 and 1,264.59 is: 1,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.22 : 7,740.33 = 1,264.59 : x
  2. Step 2: Convert to fraction form
    5,160.22/7,740.33 = 1,264.59/x
  3. Step 3: Cross multiply
    5,160.22x = 7,740.33 × 1,264.59
  4. Step 4: Simplify right side
    5,160.22x = 9,788,377.68
  5. Step 5: Solve for x
    x = 9,788,377.68/5,160.22
  6. Step 6: Final answer
    x = 1,896.89

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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.