Home / 7,419.71-11,132.51-3,256.82

Finding the Fourth Proportional to 7,419.71, 11,132.51 and 3,256.82

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Solution

The fourth proportional to 7,419.71, 11,132.51 and 3,256.82 is: 4,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.71 : 11,132.51 = 3,256.82 : x
  2. Step 2: Convert to fraction form
    7,419.71/11,132.51 = 3,256.82/x
  3. Step 3: Cross multiply
    7,419.71x = 11,132.51 × 3,256.82
  4. Step 4: Simplify right side
    7,419.71x = 36,256,551.02
  5. Step 5: Solve for x
    x = 36,256,551.02/7,419.71
  6. Step 6: Final answer
    x = 4,886.52

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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.