Home / 5,343.60-8,015.76-3,393.12

Finding the Fourth Proportional to 5,343.60, 8,015.76 and 3,393.12

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Solution

The fourth proportional to 5,343.60, 8,015.76 and 3,393.12 is: 5,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.60 : 8,015.76 = 3,393.12 : x
  2. Step 2: Convert to fraction form
    5,343.60/8,015.76 = 3,393.12/x
  3. Step 3: Cross multiply
    5,343.60x = 8,015.76 × 3,393.12
  4. Step 4: Simplify right side
    5,343.60x = 27,198,435.57
  5. Step 5: Solve for x
    x = 27,198,435.57/5,343.60
  6. Step 6: Final answer
    x = 5,089.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.