Home / 5,110.84-7,666.64-2,189.16

Finding the Fourth Proportional to 5,110.84, 7,666.64 and 2,189.16

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Solution

The fourth proportional to 5,110.84, 7,666.64 and 2,189.16 is: 3,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.84 : 7,666.64 = 2,189.16 : x
  2. Step 2: Convert to fraction form
    5,110.84/7,666.64 = 2,189.16/x
  3. Step 3: Cross multiply
    5,110.84x = 7,666.64 × 2,189.16
  4. Step 4: Simplify right side
    5,110.84x = 16,783,501.62
  5. Step 5: Solve for x
    x = 16,783,501.62/5,110.84
  6. Step 6: Final answer
    x = 3,283.90

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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.