Home / 7,371.08-10,185.03-5,891.21

Finding the Fourth Proportional to 7,371.08, 10,185.03 and 5,891.21

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Solution

The fourth proportional to 7,371.08, 10,185.03 and 5,891.21 is: 8,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.08 : 10,185.03 = 5,891.21 : x
  2. Step 2: Convert to fraction form
    7,371.08/10,185.03 = 5,891.21/x
  3. Step 3: Cross multiply
    7,371.08x = 10,185.03 × 5,891.21
  4. Step 4: Simplify right side
    7,371.08x = 60,002,099.66
  5. Step 5: Solve for x
    x = 60,002,099.66/7,371.08
  6. Step 6: Final answer
    x = 8,140.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.