Home / 5,618.70-7,754.48-3,381.69

Finding the Fourth Proportional to 5,618.70, 7,754.48 and 3,381.69

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Solution

The fourth proportional to 5,618.70, 7,754.48 and 3,381.69 is: 4,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.70 : 7,754.48 = 3,381.69 : x
  2. Step 2: Convert to fraction form
    5,618.70/7,754.48 = 3,381.69/x
  3. Step 3: Cross multiply
    5,618.70x = 7,754.48 × 3,381.69
  4. Step 4: Simplify right side
    5,618.70x = 26,223,230.56
  5. Step 5: Solve for x
    x = 26,223,230.56/5,618.70
  6. Step 6: Final answer
    x = 4,667.13

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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.