Home / 5,288.19-7,926.54-3,440.61

Finding the Fourth Proportional to 5,288.19, 7,926.54 and 3,440.61

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Solution

The fourth proportional to 5,288.19, 7,926.54 and 3,440.61 is: 5,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.19 : 7,926.54 = 3,440.61 : x
  2. Step 2: Convert to fraction form
    5,288.19/7,926.54 = 3,440.61/x
  3. Step 3: Cross multiply
    5,288.19x = 7,926.54 × 3,440.61
  4. Step 4: Simplify right side
    5,288.19x = 27,272,132.79
  5. Step 5: Solve for x
    x = 27,272,132.79/5,288.19
  6. Step 6: Final answer
    x = 5,157.18

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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.