Home / 4,086.17-6,129.83-1,621.25

Finding the Fourth Proportional to 4,086.17, 6,129.83 and 1,621.25

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Solution

The fourth proportional to 4,086.17, 6,129.83 and 1,621.25 is: 2,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.17 : 6,129.83 = 1,621.25 : x
  2. Step 2: Convert to fraction form
    4,086.17/6,129.83 = 1,621.25/x
  3. Step 3: Cross multiply
    4,086.17x = 6,129.83 × 1,621.25
  4. Step 4: Simplify right side
    4,086.17x = 9,937,960.29
  5. Step 5: Solve for x
    x = 9,937,960.29/4,086.17
  6. Step 6: Final answer
    x = 2,432.10

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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.