Home / 7,342.38-10,133.10-4,198.50

Finding the Fourth Proportional to 7,342.38, 10,133.10 and 4,198.50

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Solution

The fourth proportional to 7,342.38, 10,133.10 and 4,198.50 is: 5,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.38 : 10,133.10 = 4,198.50 : x
  2. Step 2: Convert to fraction form
    7,342.38/10,133.10 = 4,198.50/x
  3. Step 3: Cross multiply
    7,342.38x = 10,133.10 × 4,198.50
  4. Step 4: Simplify right side
    7,342.38x = 42,543,820.35
  5. Step 5: Solve for x
    x = 42,543,820.35/7,342.38
  6. Step 6: Final answer
    x = 5,794.28

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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.