Home / 6,949.45-9,589.95-3,805.63

Finding the Fourth Proportional to 6,949.45, 9,589.95 and 3,805.63

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Solution

The fourth proportional to 6,949.45, 9,589.95 and 3,805.63 is: 5,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.45 : 9,589.95 = 3,805.63 : x
  2. Step 2: Convert to fraction form
    6,949.45/9,589.95 = 3,805.63/x
  3. Step 3: Cross multiply
    6,949.45x = 9,589.95 × 3,805.63
  4. Step 4: Simplify right side
    6,949.45x = 36,495,801.42
  5. Step 5: Solve for x
    x = 36,495,801.42/6,949.45
  6. Step 6: Final answer
    x = 5,251.61

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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.