Home / 5,260.89-7,886.48-4,279.17

Finding the Fourth Proportional to 5,260.89, 7,886.48 and 4,279.17

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Solution

The fourth proportional to 5,260.89, 7,886.48 and 4,279.17 is: 6,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.89 : 7,886.48 = 4,279.17 : x
  2. Step 2: Convert to fraction form
    5,260.89/7,886.48 = 4,279.17/x
  3. Step 3: Cross multiply
    5,260.89x = 7,886.48 × 4,279.17
  4. Step 4: Simplify right side
    5,260.89x = 33,747,567.23
  5. Step 5: Solve for x
    x = 33,747,567.23/5,260.89
  6. Step 6: Final answer
    x = 6,414.80

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1.5x scale

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.