Home / 5,621.70-8,436.32-2,334.79

Finding the Fourth Proportional to 5,621.70, 8,436.32 and 2,334.79

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Solution

The fourth proportional to 5,621.70, 8,436.32 and 2,334.79 is: 3,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.70 : 8,436.32 = 2,334.79 : x
  2. Step 2: Convert to fraction form
    5,621.70/8,436.32 = 2,334.79/x
  3. Step 3: Cross multiply
    5,621.70x = 8,436.32 × 2,334.79
  4. Step 4: Simplify right side
    5,621.70x = 19,697,035.57
  5. Step 5: Solve for x
    x = 19,697,035.57/5,621.70
  6. Step 6: Final answer
    x = 3,503.75

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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.