Home / 5,321.31-7,343.41-3,084.49

Finding the Fourth Proportional to 5,321.31, 7,343.41 and 3,084.49

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Solution

The fourth proportional to 5,321.31, 7,343.41 and 3,084.49 is: 4,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.31 : 7,343.41 = 3,084.49 : x
  2. Step 2: Convert to fraction form
    5,321.31/7,343.41 = 3,084.49/x
  3. Step 3: Cross multiply
    5,321.31x = 7,343.41 × 3,084.49
  4. Step 4: Simplify right side
    5,321.31x = 22,650,640.66
  5. Step 5: Solve for x
    x = 22,650,640.66/5,321.31
  6. Step 6: Final answer
    x = 4,256.59

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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.