Home / 7,083.06-10,615.83-2,920.44

Finding the Fourth Proportional to 7,083.06, 10,615.83 and 2,920.44

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Solution

The fourth proportional to 7,083.06, 10,615.83 and 2,920.44 is: 4,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.06 : 10,615.83 = 2,920.44 : x
  2. Step 2: Convert to fraction form
    7,083.06/10,615.83 = 2,920.44/x
  3. Step 3: Cross multiply
    7,083.06x = 10,615.83 × 2,920.44
  4. Step 4: Simplify right side
    7,083.06x = 31,002,894.57
  5. Step 5: Solve for x
    x = 31,002,894.57/7,083.06
  6. Step 6: Final answer
    x = 4,377.05

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1.5x scale

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.