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Finding the Fourth Proportional to 6,158.54, 9,240.65 and 3,821.29

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Solution

The fourth proportional to 6,158.54, 9,240.65 and 3,821.29 is: 5,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158.54 : 9,240.65 = 3,821.29 : x
  2. Step 2: Convert to fraction form
    6,158.54/9,240.65 = 3,821.29/x
  3. Step 3: Cross multiply
    6,158.54x = 9,240.65 × 3,821.29
  4. Step 4: Simplify right side
    6,158.54x = 35,311,203.44
  5. Step 5: Solve for x
    x = 35,311,203.44/6,158.54
  6. Step 6: Final answer
    x = 5,733.70

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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.