Home / 5,647.29-8,471.00-2,686.04

Finding the Fourth Proportional to 5,647.29, 8,471.00 and 2,686.04

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Solution

The fourth proportional to 5,647.29, 8,471.00 and 2,686.04 is: 4,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.29 : 8,471.00 = 2,686.04 : x
  2. Step 2: Convert to fraction form
    5,647.29/8,471.00 = 2,686.04/x
  3. Step 3: Cross multiply
    5,647.29x = 8,471.00 × 2,686.04
  4. Step 4: Simplify right side
    5,647.29x = 22,753,473.51
  5. Step 5: Solve for x
    x = 22,753,473.51/5,647.29
  6. Step 6: Final answer
    x = 4,029.10

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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.