Home / 7,243.05-10,857.12-4,116.38

Finding the Fourth Proportional to 7,243.05, 10,857.12 and 4,116.38

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Solution

The fourth proportional to 7,243.05, 10,857.12 and 4,116.38 is: 6,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.05 : 10,857.12 = 4,116.38 : x
  2. Step 2: Convert to fraction form
    7,243.05/10,857.12 = 4,116.38/x
  3. Step 3: Cross multiply
    7,243.05x = 10,857.12 × 4,116.38
  4. Step 4: Simplify right side
    7,243.05x = 44,692,041.92
  5. Step 5: Solve for x
    x = 44,692,041.92/7,243.05
  6. Step 6: Final answer
    x = 6,170.33

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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.