Home / 5,561.21-8,341.91-1,863.45

Finding the Fourth Proportional to 5,561.21, 8,341.91 and 1,863.45

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Solution

The fourth proportional to 5,561.21, 8,341.91 and 1,863.45 is: 2,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.21 : 8,341.91 = 1,863.45 : x
  2. Step 2: Convert to fraction form
    5,561.21/8,341.91 = 1,863.45/x
  3. Step 3: Cross multiply
    5,561.21x = 8,341.91 × 1,863.45
  4. Step 4: Simplify right side
    5,561.21x = 15,544,722.87
  5. Step 5: Solve for x
    x = 15,544,722.87/5,561.21
  6. Step 6: Final answer
    x = 2,795.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.