Home / 5,647.95-8,474.82-2,689.74

Finding the Fourth Proportional to 5,647.95, 8,474.82 and 2,689.74

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Solution

The fourth proportional to 5,647.95, 8,474.82 and 2,689.74 is: 4,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.95 : 8,474.82 = 2,689.74 : x
  2. Step 2: Convert to fraction form
    5,647.95/8,474.82 = 2,689.74/x
  3. Step 3: Cross multiply
    5,647.95x = 8,474.82 × 2,689.74
  4. Step 4: Simplify right side
    5,647.95x = 22,795,062.35
  5. Step 5: Solve for x
    x = 22,795,062.35/5,647.95
  6. Step 6: Final answer
    x = 4,035.99

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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.