Home / 6,822.21-10,233.32-4,878.21

Finding the Fourth Proportional to 6,822.21, 10,233.32 and 4,878.21

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Solution

The fourth proportional to 6,822.21, 10,233.32 and 4,878.21 is: 7,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.21 : 10,233.32 = 4,878.21 : x
  2. Step 2: Convert to fraction form
    6,822.21/10,233.32 = 4,878.21/x
  3. Step 3: Cross multiply
    6,822.21x = 10,233.32 × 4,878.21
  4. Step 4: Simplify right side
    6,822.21x = 49,920,259.57
  5. Step 5: Solve for x
    x = 49,920,259.57/6,822.21
  6. Step 6: Final answer
    x = 7,317.32

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Similar ratio
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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.