Home / 7,083.09-10,665.80-5,247.23

Finding the Fourth Proportional to 7,083.09, 10,665.80 and 5,247.23

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Solution

The fourth proportional to 7,083.09, 10,665.80 and 5,247.23 is: 7,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.09 : 10,665.80 = 5,247.23 : x
  2. Step 2: Convert to fraction form
    7,083.09/10,665.80 = 5,247.23/x
  3. Step 3: Cross multiply
    7,083.09x = 10,665.80 × 5,247.23
  4. Step 4: Simplify right side
    7,083.09x = 55,965,845.85
  5. Step 5: Solve for x
    x = 55,965,845.85/7,083.09
  6. Step 6: Final answer
    x = 7,901.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.