Home / 7,400.28-10,212.96-4,169.85

Finding the Fourth Proportional to 7,400.28, 10,212.96 and 4,169.85

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Solution

The fourth proportional to 7,400.28, 10,212.96 and 4,169.85 is: 5,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.28 : 10,212.96 = 4,169.85 : x
  2. Step 2: Convert to fraction form
    7,400.28/10,212.96 = 4,169.85/x
  3. Step 3: Cross multiply
    7,400.28x = 10,212.96 × 4,169.85
  4. Step 4: Simplify right side
    7,400.28x = 42,586,511.26
  5. Step 5: Solve for x
    x = 42,586,511.26/7,400.28
  6. Step 6: Final answer
    x = 5,754.72

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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.