Home / 5,110.08-7,669.23-2,645.61

Finding the Fourth Proportional to 5,110.08, 7,669.23 and 2,645.61

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Solution

The fourth proportional to 5,110.08, 7,669.23 and 2,645.61 is: 3,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.08 : 7,669.23 = 2,645.61 : x
  2. Step 2: Convert to fraction form
    5,110.08/7,669.23 = 2,645.61/x
  3. Step 3: Cross multiply
    5,110.08x = 7,669.23 × 2,645.61
  4. Step 4: Simplify right side
    5,110.08x = 20,289,740.01
  5. Step 5: Solve for x
    x = 20,289,740.01/5,110.08
  6. Step 6: Final answer
    x = 3,970.53

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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.