Home / 7,154.42-10,733.97-3,642.89

Finding the Fourth Proportional to 7,154.42, 10,733.97 and 3,642.89

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Solution

The fourth proportional to 7,154.42, 10,733.97 and 3,642.89 is: 5,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.42 : 10,733.97 = 3,642.89 : x
  2. Step 2: Convert to fraction form
    7,154.42/10,733.97 = 3,642.89/x
  3. Step 3: Cross multiply
    7,154.42x = 10,733.97 × 3,642.89
  4. Step 4: Simplify right side
    7,154.42x = 39,102,671.97
  5. Step 5: Solve for x
    x = 39,102,671.97/7,154.42
  6. Step 6: Final answer
    x = 5,465.53

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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.