Home / 6,949.64-9,588.40-3,965.30

Finding the Fourth Proportional to 6,949.64, 9,588.40 and 3,965.30

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Solution

The fourth proportional to 6,949.64, 9,588.40 and 3,965.30 is: 5,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.64 : 9,588.40 = 3,965.30 : x
  2. Step 2: Convert to fraction form
    6,949.64/9,588.40 = 3,965.30/x
  3. Step 3: Cross multiply
    6,949.64x = 9,588.40 × 3,965.30
  4. Step 4: Simplify right side
    6,949.64x = 38,020,824.66
  5. Step 5: Solve for x
    x = 38,020,824.66/6,949.64
  6. Step 6: Final answer
    x = 5,470.90

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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.