Home / 7,395.40-11,081.04-3,642.76

Finding the Fourth Proportional to 7,395.40, 11,081.04 and 3,642.76

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Solution

The fourth proportional to 7,395.40, 11,081.04 and 3,642.76 is: 5,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.40 : 11,081.04 = 3,642.76 : x
  2. Step 2: Convert to fraction form
    7,395.40/11,081.04 = 3,642.76/x
  3. Step 3: Cross multiply
    7,395.40x = 11,081.04 × 3,642.76
  4. Step 4: Simplify right side
    7,395.40x = 40,365,569.27
  5. Step 5: Solve for x
    x = 40,365,569.27/7,395.40
  6. Step 6: Final answer
    x = 5,458.20

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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.