Home / 7,226.19-9,972.14-3,914.19

Finding the Fourth Proportional to 7,226.19, 9,972.14 and 3,914.19

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Solution

The fourth proportional to 7,226.19, 9,972.14 and 3,914.19 is: 5,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.19 : 9,972.14 = 3,914.19 : x
  2. Step 2: Convert to fraction form
    7,226.19/9,972.14 = 3,914.19/x
  3. Step 3: Cross multiply
    7,226.19x = 9,972.14 × 3,914.19
  4. Step 4: Simplify right side
    7,226.19x = 39,032,820.84
  5. Step 5: Solve for x
    x = 39,032,820.84/7,226.19
  6. Step 6: Final answer
    x = 5,401.58

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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.