Home / 5,621.79-7,757.73-3,384.39

Finding the Fourth Proportional to 5,621.79, 7,757.73 and 3,384.39

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Solution

The fourth proportional to 5,621.79, 7,757.73 and 3,384.39 is: 4,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.79 : 7,757.73 = 3,384.39 : x
  2. Step 2: Convert to fraction form
    5,621.79/7,757.73 = 3,384.39/x
  3. Step 3: Cross multiply
    5,621.79x = 7,757.73 × 3,384.39
  4. Step 4: Simplify right side
    5,621.79x = 26,255,183.83
  5. Step 5: Solve for x
    x = 26,255,183.83/5,621.79
  6. Step 6: Final answer
    x = 4,670.25

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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.