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Finding the Fourth Proportional to 5,471.94, 8,210.48 and 2,697.10

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Solution

The fourth proportional to 5,471.94, 8,210.48 and 2,697.10 is: 4,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.94 : 8,210.48 = 2,697.10 : x
  2. Step 2: Convert to fraction form
    5,471.94/8,210.48 = 2,697.10/x
  3. Step 3: Cross multiply
    5,471.94x = 8,210.48 × 2,697.10
  4. Step 4: Simplify right side
    5,471.94x = 22,144,472.12
  5. Step 5: Solve for x
    x = 22,144,472.12/5,471.94
  6. Step 6: Final answer
    x = 4,046.91

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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.