Home / 4,310.91-6,466.98-1,389.84

Finding the Fourth Proportional to 4,310.91, 6,466.98 and 1,389.84

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Solution

The fourth proportional to 4,310.91, 6,466.98 and 1,389.84 is: 2,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.91 : 6,466.98 = 1,389.84 : x
  2. Step 2: Convert to fraction form
    4,310.91/6,466.98 = 1,389.84/x
  3. Step 3: Cross multiply
    4,310.91x = 6,466.98 × 1,389.84
  4. Step 4: Simplify right side
    4,310.91x = 8,988,067.48
  5. Step 5: Solve for x
    x = 8,988,067.48/4,310.91
  6. Step 6: Final answer
    x = 2,084.96

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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.