Home / 6,949.64-9,590.10-3,965.48

Finding the Fourth Proportional to 6,949.64, 9,590.10 and 3,965.48

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Solution

The fourth proportional to 6,949.64, 9,590.10 and 3,965.48 is: 5,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.64 : 9,590.10 = 3,965.48 : x
  2. Step 2: Convert to fraction form
    6,949.64/9,590.10 = 3,965.48/x
  3. Step 3: Cross multiply
    6,949.64x = 9,590.10 × 3,965.48
  4. Step 4: Simplify right side
    6,949.64x = 38,029,349.75
  5. Step 5: Solve for x
    x = 38,029,349.75/6,949.64
  6. Step 6: Final answer
    x = 5,472.13

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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.