Home / 5,319.88-7,340.97-2,961.52

Finding the Fourth Proportional to 5,319.88, 7,340.97 and 2,961.52

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Solution

The fourth proportional to 5,319.88, 7,340.97 and 2,961.52 is: 4,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.88 : 7,340.97 = 2,961.52 : x
  2. Step 2: Convert to fraction form
    5,319.88/7,340.97 = 2,961.52/x
  3. Step 3: Cross multiply
    5,319.88x = 7,340.97 × 2,961.52
  4. Step 4: Simplify right side
    5,319.88x = 21,740,429.47
  5. Step 5: Solve for x
    x = 21,740,429.47/5,319.88
  6. Step 6: Final answer
    x = 4,086.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.