Home / 5,349.29-7,382.34-2,991.44

Finding the Fourth Proportional to 5,349.29, 7,382.34 and 2,991.44

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Solution

The fourth proportional to 5,349.29, 7,382.34 and 2,991.44 is: 4,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.29 : 7,382.34 = 2,991.44 : x
  2. Step 2: Convert to fraction form
    5,349.29/7,382.34 = 2,991.44/x
  3. Step 3: Cross multiply
    5,349.29x = 7,382.34 × 2,991.44
  4. Step 4: Simplify right side
    5,349.29x = 22,083,812.21
  5. Step 5: Solve for x
    x = 22,083,812.21/5,349.29
  6. Step 6: Final answer
    x = 4,128.37

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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.