Home / 5,351.13-8,030.03-2,578.09

Finding the Fourth Proportional to 5,351.13, 8,030.03 and 2,578.09

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Solution

The fourth proportional to 5,351.13, 8,030.03 and 2,578.09 is: 3,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.13 : 8,030.03 = 2,578.09 : x
  2. Step 2: Convert to fraction form
    5,351.13/8,030.03 = 2,578.09/x
  3. Step 3: Cross multiply
    5,351.13x = 8,030.03 × 2,578.09
  4. Step 4: Simplify right side
    5,351.13x = 20,702,140.04
  5. Step 5: Solve for x
    x = 20,702,140.04/5,351.13
  6. Step 6: Final answer
    x = 3,868.74

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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.