Home / 6,919.39-10,377.05-3,169.05

Finding the Fourth Proportional to 6,919.39, 10,377.05 and 3,169.05

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Solution

The fourth proportional to 6,919.39, 10,377.05 and 3,169.05 is: 4,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.39 : 10,377.05 = 3,169.05 : x
  2. Step 2: Convert to fraction form
    6,919.39/10,377.05 = 3,169.05/x
  3. Step 3: Cross multiply
    6,919.39x = 10,377.05 × 3,169.05
  4. Step 4: Simplify right side
    6,919.39x = 32,885,338.42
  5. Step 5: Solve for x
    x = 32,885,338.42/6,919.39
  6. Step 6: Final answer
    x = 4,752.64

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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.