Home / 7,919.13-10,937.39-5,396.93

Finding the Fourth Proportional to 7,919.13, 10,937.39 and 5,396.93

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Solution

The fourth proportional to 7,919.13, 10,937.39 and 5,396.93 is: 7,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.13 : 10,937.39 = 5,396.93 : x
  2. Step 2: Convert to fraction form
    7,919.13/10,937.39 = 5,396.93/x
  3. Step 3: Cross multiply
    7,919.13x = 10,937.39 × 5,396.93
  4. Step 4: Simplify right side
    7,919.13x = 59,028,246.54
  5. Step 5: Solve for x
    x = 59,028,246.54/7,919.13
  6. Step 6: Final answer
    x = 7,453.88

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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.