Home / 7,218.85-10,828.65-3,524.23

Finding the Fourth Proportional to 7,218.85, 10,828.65 and 3,524.23

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Solution

The fourth proportional to 7,218.85, 10,828.65 and 3,524.23 is: 5,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.85 : 10,828.65 = 3,524.23 : x
  2. Step 2: Convert to fraction form
    7,218.85/10,828.65 = 3,524.23/x
  3. Step 3: Cross multiply
    7,218.85x = 10,828.65 × 3,524.23
  4. Step 4: Simplify right side
    7,218.85x = 38,162,653.19
  5. Step 5: Solve for x
    x = 38,162,653.19/7,218.85
  6. Step 6: Final answer
    x = 5,286.53

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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.