Home / 5,110.13-7,661.01-2,645.66

Finding the Fourth Proportional to 5,110.13, 7,661.01 and 2,645.66

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Solution

The fourth proportional to 5,110.13, 7,661.01 and 2,645.66 is: 3,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.13 : 7,661.01 = 2,645.66 : x
  2. Step 2: Convert to fraction form
    5,110.13/7,661.01 = 2,645.66/x
  3. Step 3: Cross multiply
    5,110.13x = 7,661.01 × 2,645.66
  4. Step 4: Simplify right side
    5,110.13x = 20,268,389.41
  5. Step 5: Solve for x
    x = 20,268,389.41/5,110.13
  6. Step 6: Final answer
    x = 3,966.31

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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.