Home / 7,039.14-10,561.26-3,294.21

Finding the Fourth Proportional to 7,039.14, 10,561.26 and 3,294.21

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Solution

The fourth proportional to 7,039.14, 10,561.26 and 3,294.21 is: 4,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.14 : 10,561.26 = 3,294.21 : x
  2. Step 2: Convert to fraction form
    7,039.14/10,561.26 = 3,294.21/x
  3. Step 3: Cross multiply
    7,039.14x = 10,561.26 × 3,294.21
  4. Step 4: Simplify right side
    7,039.14x = 34,791,008.30
  5. Step 5: Solve for x
    x = 34,791,008.30/7,039.14
  6. Step 6: Final answer
    x = 4,942.51

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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.