Home / 5,343.98-7,374.65-3,107.16

Finding the Fourth Proportional to 5,343.98, 7,374.65 and 3,107.16

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Solution

The fourth proportional to 5,343.98, 7,374.65 and 3,107.16 is: 4,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.98 : 7,374.65 = 3,107.16 : x
  2. Step 2: Convert to fraction form
    5,343.98/7,374.65 = 3,107.16/x
  3. Step 3: Cross multiply
    5,343.98x = 7,374.65 × 3,107.16
  4. Step 4: Simplify right side
    5,343.98x = 22,914,201.96
  5. Step 5: Solve for x
    x = 22,914,201.96/5,343.98
  6. Step 6: Final answer
    x = 4,287.86

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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.