Home / 4,490.78-6,182.28-3,369.87

Finding the Fourth Proportional to 4,490.78, 6,182.28 and 3,369.87

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Solution

The fourth proportional to 4,490.78, 6,182.28 and 3,369.87 is: 4,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.78 : 6,182.28 = 3,369.87 : x
  2. Step 2: Convert to fraction form
    4,490.78/6,182.28 = 3,369.87/x
  3. Step 3: Cross multiply
    4,490.78x = 6,182.28 × 3,369.87
  4. Step 4: Simplify right side
    4,490.78x = 20,833,479.90
  5. Step 5: Solve for x
    x = 20,833,479.90/4,490.78
  6. Step 6: Final answer
    x = 4,639.17

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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.