Home / 7,286.61-10,926.42-3,949.53

Finding the Fourth Proportional to 7,286.61, 10,926.42 and 3,949.53

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Solution

The fourth proportional to 7,286.61, 10,926.42 and 3,949.53 is: 5,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.61 : 10,926.42 = 3,949.53 : x
  2. Step 2: Convert to fraction form
    7,286.61/10,926.42 = 3,949.53/x
  3. Step 3: Cross multiply
    7,286.61x = 10,926.42 × 3,949.53
  4. Step 4: Simplify right side
    7,286.61x = 43,154,223.58
  5. Step 5: Solve for x
    x = 43,154,223.58/7,286.61
  6. Step 6: Final answer
    x = 5,922.40

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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.