Home / 5,310.26-7,328.31-3,072.83

Finding the Fourth Proportional to 5,310.26, 7,328.31 and 3,072.83

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Solution

The fourth proportional to 5,310.26, 7,328.31 and 3,072.83 is: 4,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.26 : 7,328.31 = 3,072.83 : x
  2. Step 2: Convert to fraction form
    5,310.26/7,328.31 = 3,072.83/x
  3. Step 3: Cross multiply
    5,310.26x = 7,328.31 × 3,072.83
  4. Step 4: Simplify right side
    5,310.26x = 22,518,614.18
  5. Step 5: Solve for x
    x = 22,518,614.18/5,310.26
  6. Step 6: Final answer
    x = 4,240.59

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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.