Home / 7,440.48-11,159.51-2,759.39

Finding the Fourth Proportional to 7,440.48, 11,159.51 and 2,759.39

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Solution

The fourth proportional to 7,440.48, 11,159.51 and 2,759.39 is: 4,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.48 : 11,159.51 = 2,759.39 : x
  2. Step 2: Convert to fraction form
    7,440.48/11,159.51 = 2,759.39/x
  3. Step 3: Cross multiply
    7,440.48x = 11,159.51 × 2,759.39
  4. Step 4: Simplify right side
    7,440.48x = 30,793,454.40
  5. Step 5: Solve for x
    x = 30,793,454.40/7,440.48
  6. Step 6: Final answer
    x = 4,138.64

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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.