Home / 7,726.60-11,608.40-4,958.70

Finding the Fourth Proportional to 7,726.60, 11,608.40 and 4,958.70

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Solution

The fourth proportional to 7,726.60, 11,608.40 and 4,958.70 is: 7,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.60 : 11,608.40 = 4,958.70 : x
  2. Step 2: Convert to fraction form
    7,726.60/11,608.40 = 4,958.70/x
  3. Step 3: Cross multiply
    7,726.60x = 11,608.40 × 4,958.70
  4. Step 4: Simplify right side
    7,726.60x = 57,562,573.08
  5. Step 5: Solve for x
    x = 57,562,573.08/7,726.60
  6. Step 6: Final answer
    x = 7,449.92

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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.