Home / 7,226.45-9,972.50-3,914.45

Finding the Fourth Proportional to 7,226.45, 9,972.50 and 3,914.45

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Solution

The fourth proportional to 7,226.45, 9,972.50 and 3,914.45 is: 5,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.45 : 9,972.50 = 3,914.45 : x
  2. Step 2: Convert to fraction form
    7,226.45/9,972.50 = 3,914.45/x
  3. Step 3: Cross multiply
    7,226.45x = 9,972.50 × 3,914.45
  4. Step 4: Simplify right side
    7,226.45x = 39,036,783.19
  5. Step 5: Solve for x
    x = 39,036,783.19/7,226.45
  6. Step 6: Final answer
    x = 5,401.93

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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.