Home / 7,078.68-10,619.39-3,795.45

Finding the Fourth Proportional to 7,078.68, 10,619.39 and 3,795.45

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Solution

The fourth proportional to 7,078.68, 10,619.39 and 3,795.45 is: 5,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.68 : 10,619.39 = 3,795.45 : x
  2. Step 2: Convert to fraction form
    7,078.68/10,619.39 = 3,795.45/x
  3. Step 3: Cross multiply
    7,078.68x = 10,619.39 × 3,795.45
  4. Step 4: Simplify right side
    7,078.68x = 40,305,363.78
  5. Step 5: Solve for x
    x = 40,305,363.78/7,078.68
  6. Step 6: Final answer
    x = 5,693.91

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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.