Home / 7,159.25-10,743.54-5,408.30

Finding the Fourth Proportional to 7,159.25, 10,743.54 and 5,408.30

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Solution

The fourth proportional to 7,159.25, 10,743.54 and 5,408.30 is: 8,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.25 : 10,743.54 = 5,408.30 : x
  2. Step 2: Convert to fraction form
    7,159.25/10,743.54 = 5,408.30/x
  3. Step 3: Cross multiply
    7,159.25x = 10,743.54 × 5,408.30
  4. Step 4: Simplify right side
    7,159.25x = 58,104,293.96
  5. Step 5: Solve for x
    x = 58,104,293.96/7,159.25
  6. Step 6: Final answer
    x = 8,115.97

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1.5x scale

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.