Home / 5,769.35-7,964.38-3,378.99

Finding the Fourth Proportional to 5,769.35, 7,964.38 and 3,378.99

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Solution

The fourth proportional to 5,769.35, 7,964.38 and 3,378.99 is: 4,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.35 : 7,964.38 = 3,378.99 : x
  2. Step 2: Convert to fraction form
    5,769.35/7,964.38 = 3,378.99/x
  3. Step 3: Cross multiply
    5,769.35x = 7,964.38 × 3,378.99
  4. Step 4: Simplify right side
    5,769.35x = 26,911,560.38
  5. Step 5: Solve for x
    x = 26,911,560.38/5,769.35
  6. Step 6: Final answer
    x = 4,664.57

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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.