Home / 6,949.50-9,590.31-3,805.80

Finding the Fourth Proportional to 6,949.50, 9,590.31 and 3,805.80

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Solution

The fourth proportional to 6,949.50, 9,590.31 and 3,805.80 is: 5,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.50 : 9,590.31 = 3,805.80 : x
  2. Step 2: Convert to fraction form
    6,949.50/9,590.31 = 3,805.80/x
  3. Step 3: Cross multiply
    6,949.50x = 9,590.31 × 3,805.80
  4. Step 4: Simplify right side
    6,949.50x = 36,498,801.80
  5. Step 5: Solve for x
    x = 36,498,801.80/6,949.50
  6. Step 6: Final answer
    x = 5,252.00

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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.