Home / 6,920.57-10,386.77-2,763.52

Finding the Fourth Proportional to 6,920.57, 10,386.77 and 2,763.52

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Solution

The fourth proportional to 6,920.57, 10,386.77 and 2,763.52 is: 4,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.57 : 10,386.77 = 2,763.52 : x
  2. Step 2: Convert to fraction form
    6,920.57/10,386.77 = 2,763.52/x
  3. Step 3: Cross multiply
    6,920.57x = 10,386.77 × 2,763.52
  4. Step 4: Simplify right side
    6,920.57x = 28,704,006.85
  5. Step 5: Solve for x
    x = 28,704,006.85/6,920.57
  6. Step 6: Final answer
    x = 4,147.63

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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.