Home / 5,619.91-7,754.97-3,381.65

Finding the Fourth Proportional to 5,619.91, 7,754.97 and 3,381.65

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Solution

The fourth proportional to 5,619.91, 7,754.97 and 3,381.65 is: 4,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.91 : 7,754.97 = 3,381.65 : x
  2. Step 2: Convert to fraction form
    5,619.91/7,754.97 = 3,381.65/x
  3. Step 3: Cross multiply
    5,619.91x = 7,754.97 × 3,381.65
  4. Step 4: Simplify right side
    5,619.91x = 26,224,568.76
  5. Step 5: Solve for x
    x = 26,224,568.76/5,619.91
  6. Step 6: Final answer
    x = 4,666.37

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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.