Home / 7,299.19-10,072.89-4,155.38

Finding the Fourth Proportional to 7,299.19, 10,072.89 and 4,155.38

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Solution

The fourth proportional to 7,299.19, 10,072.89 and 4,155.38 is: 5,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.19 : 10,072.89 = 4,155.38 : x
  2. Step 2: Convert to fraction form
    7,299.19/10,072.89 = 4,155.38/x
  3. Step 3: Cross multiply
    7,299.19x = 10,072.89 × 4,155.38
  4. Step 4: Simplify right side
    7,299.19x = 41,856,635.28
  5. Step 5: Solve for x
    x = 41,856,635.28/7,299.19
  6. Step 6: Final answer
    x = 5,734.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.