Home / 7,227.45-10,839.51-3,328.11

Finding the Fourth Proportional to 7,227.45, 10,839.51 and 3,328.11

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Solution

The fourth proportional to 7,227.45, 10,839.51 and 3,328.11 is: 4,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.45 : 10,839.51 = 3,328.11 : x
  2. Step 2: Convert to fraction form
    7,227.45/10,839.51 = 3,328.11/x
  3. Step 3: Cross multiply
    7,227.45x = 10,839.51 × 3,328.11
  4. Step 4: Simplify right side
    7,227.45x = 36,075,081.63
  5. Step 5: Solve for x
    x = 36,075,081.63/7,227.45
  6. Step 6: Final answer
    x = 4,991.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.