Home / 5,311.23-7,328.69-3,042.22

Finding the Fourth Proportional to 5,311.23, 7,328.69 and 3,042.22

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Solution

The fourth proportional to 5,311.23, 7,328.69 and 3,042.22 is: 4,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.23 : 7,328.69 = 3,042.22 : x
  2. Step 2: Convert to fraction form
    5,311.23/7,328.69 = 3,042.22/x
  3. Step 3: Cross multiply
    5,311.23x = 7,328.69 × 3,042.22
  4. Step 4: Simplify right side
    5,311.23x = 22,295,487.29
  5. Step 5: Solve for x
    x = 22,295,487.29/5,311.23
  6. Step 6: Final answer
    x = 4,197.80

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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.