Home / 5,349.54-7,382.34-2,991.69

Finding the Fourth Proportional to 5,349.54, 7,382.34 and 2,991.69

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Solution

The fourth proportional to 5,349.54, 7,382.34 and 2,991.69 is: 4,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.54 : 7,382.34 = 2,991.69 : x
  2. Step 2: Convert to fraction form
    5,349.54/7,382.34 = 2,991.69/x
  3. Step 3: Cross multiply
    5,349.54x = 7,382.34 × 2,991.69
  4. Step 4: Simplify right side
    5,349.54x = 22,085,672.75
  5. Step 5: Solve for x
    x = 22,085,672.75/5,349.54
  6. Step 6: Final answer
    x = 4,128.52

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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.