Home / 5,348.48-7,381.92-2,991.68

Finding the Fourth Proportional to 5,348.48, 7,381.92 and 2,991.68

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Solution

The fourth proportional to 5,348.48, 7,381.92 and 2,991.68 is: 4,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.48 : 7,381.92 = 2,991.68 : x
  2. Step 2: Convert to fraction form
    5,348.48/7,381.92 = 2,991.68/x
  3. Step 3: Cross multiply
    5,348.48x = 7,381.92 × 2,991.68
  4. Step 4: Simplify right side
    5,348.48x = 22,084,342.43
  5. Step 5: Solve for x
    x = 22,084,342.43/5,348.48
  6. Step 6: Final answer
    x = 4,129.09

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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.