Home / 5,919.35-8,878.82-2,631.56

Finding the Fourth Proportional to 5,919.35, 8,878.82 and 2,631.56

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Solution

The fourth proportional to 5,919.35, 8,878.82 and 2,631.56 is: 3,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.35 : 8,878.82 = 2,631.56 : x
  2. Step 2: Convert to fraction form
    5,919.35/8,878.82 = 2,631.56/x
  3. Step 3: Cross multiply
    5,919.35x = 8,878.82 × 2,631.56
  4. Step 4: Simplify right side
    5,919.35x = 23,365,090.01
  5. Step 5: Solve for x
    x = 23,365,090.01/5,919.35
  6. Step 6: Final answer
    x = 3,947.24

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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.