Home / 6,878.88-10,317.36-2,199.24

Finding the Fourth Proportional to 6,878.88, 10,317.36 and 2,199.24

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Solution

The fourth proportional to 6,878.88, 10,317.36 and 2,199.24 is: 3,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.88 : 10,317.36 = 2,199.24 : x
  2. Step 2: Convert to fraction form
    6,878.88/10,317.36 = 2,199.24/x
  3. Step 3: Cross multiply
    6,878.88x = 10,317.36 × 2,199.24
  4. Step 4: Simplify right side
    6,878.88x = 22,690,350.81
  5. Step 5: Solve for x
    x = 22,690,350.81/6,878.88
  6. Step 6: Final answer
    x = 3,298.55

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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.