Home / 5,340.20-7,369.61-2,982.51

Finding the Fourth Proportional to 5,340.20, 7,369.61 and 2,982.51

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Solution

The fourth proportional to 5,340.20, 7,369.61 and 2,982.51 is: 4,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.20 : 7,369.61 = 2,982.51 : x
  2. Step 2: Convert to fraction form
    5,340.20/7,369.61 = 2,982.51/x
  3. Step 3: Cross multiply
    5,340.20x = 7,369.61 × 2,982.51
  4. Step 4: Simplify right side
    5,340.20x = 21,979,920.61
  5. Step 5: Solve for x
    x = 21,979,920.61/5,340.20
  6. Step 6: Final answer
    x = 4,115.94

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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.