Home / 5,310.27-7,328.16-2,920.23

Finding the Fourth Proportional to 5,310.27, 7,328.16 and 2,920.23

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Solution

The fourth proportional to 5,310.27, 7,328.16 and 2,920.23 is: 4,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.27 : 7,328.16 = 2,920.23 : x
  2. Step 2: Convert to fraction form
    5,310.27/7,328.16 = 2,920.23/x
  3. Step 3: Cross multiply
    5,310.27x = 7,328.16 × 2,920.23
  4. Step 4: Simplify right side
    5,310.27x = 21,399,912.68
  5. Step 5: Solve for x
    x = 21,399,912.68/5,310.27
  6. Step 6: Final answer
    x = 4,029.91

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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.