Home / 7,191.68-10,724.96-6,395.26

Finding the Fourth Proportional to 7,191.68, 10,724.96 and 6,395.26

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Solution

The fourth proportional to 7,191.68, 10,724.96 and 6,395.26 is: 9,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.68 : 10,724.96 = 6,395.26 : x
  2. Step 2: Convert to fraction form
    7,191.68/10,724.96 = 6,395.26/x
  3. Step 3: Cross multiply
    7,191.68x = 10,724.96 × 6,395.26
  4. Step 4: Simplify right side
    7,191.68x = 68,588,907.69
  5. Step 5: Solve for x
    x = 68,588,907.69/7,191.68
  6. Step 6: Final answer
    x = 9,537.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.