Home / 7,228.48-10,839.03-3,329.50

Finding the Fourth Proportional to 7,228.48, 10,839.03 and 3,329.50

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Solution

The fourth proportional to 7,228.48, 10,839.03 and 3,329.50 is: 4,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.48 : 10,839.03 = 3,329.50 : x
  2. Step 2: Convert to fraction form
    7,228.48/10,839.03 = 3,329.50/x
  3. Step 3: Cross multiply
    7,228.48x = 10,839.03 × 3,329.50
  4. Step 4: Simplify right side
    7,228.48x = 36,088,550.39
  5. Step 5: Solve for x
    x = 36,088,550.39/7,228.48
  6. Step 6: Final answer
    x = 4,992.55

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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.