Home / 5,208.35-7,812.66-2,045.66

Finding the Fourth Proportional to 5,208.35, 7,812.66 and 2,045.66

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Solution

The fourth proportional to 5,208.35, 7,812.66 and 2,045.66 is: 3,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.35 : 7,812.66 = 2,045.66 : x
  2. Step 2: Convert to fraction form
    5,208.35/7,812.66 = 2,045.66/x
  3. Step 3: Cross multiply
    5,208.35x = 7,812.66 × 2,045.66
  4. Step 4: Simplify right side
    5,208.35x = 15,982,006.99
  5. Step 5: Solve for x
    x = 15,982,006.99/5,208.35
  6. Step 6: Final answer
    x = 3,068.54

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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.