Home / 5,436.44-8,140.81-3,581.93

Finding the Fourth Proportional to 5,436.44, 8,140.81 and 3,581.93

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Solution

The fourth proportional to 5,436.44, 8,140.81 and 3,581.93 is: 5,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.44 : 8,140.81 = 3,581.93 : x
  2. Step 2: Convert to fraction form
    5,436.44/8,140.81 = 3,581.93/x
  3. Step 3: Cross multiply
    5,436.44x = 8,140.81 × 3,581.93
  4. Step 4: Simplify right side
    5,436.44x = 29,159,820.75
  5. Step 5: Solve for x
    x = 29,159,820.75/5,436.44
  6. Step 6: Final answer
    x = 5,363.77

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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.