Home / 10,880.62-16,319.81-3,490.38

Finding the Fourth Proportional to 10,880.62, 16,319.81 and 3,490.38

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Solution

The fourth proportional to 10,880.62, 16,319.81 and 3,490.38 is: 5,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.62 : 16,319.81 = 3,490.38 : x
  2. Step 2: Convert to fraction form
    10,880.62/16,319.81 = 3,490.38/x
  3. Step 3: Cross multiply
    10,880.62x = 16,319.81 × 3,490.38
  4. Step 4: Simplify right side
    10,880.62x = 56,962,347.15
  5. Step 5: Solve for x
    x = 56,962,347.15/10,880.62
  6. Step 6: Final answer
    x = 5,235.21

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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.