Home / 4,715.81-7,074.73-1,429.15

Finding the Fourth Proportional to 4,715.81, 7,074.73 and 1,429.15

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Solution

The fourth proportional to 4,715.81, 7,074.73 and 1,429.15 is: 2,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.81 : 7,074.73 = 1,429.15 : x
  2. Step 2: Convert to fraction form
    4,715.81/7,074.73 = 1,429.15/x
  3. Step 3: Cross multiply
    4,715.81x = 7,074.73 × 1,429.15
  4. Step 4: Simplify right side
    4,715.81x = 10,110,850.38
  5. Step 5: Solve for x
    x = 10,110,850.38/4,715.81
  6. Step 6: Final answer
    x = 2,144.03

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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.