Home / 8,850.85-12,213.73-4,871.32

Finding the Fourth Proportional to 8,850.85, 12,213.73 and 4,871.32

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Solution

The fourth proportional to 8,850.85, 12,213.73 and 4,871.32 is: 6,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.85 : 12,213.73 = 4,871.32 : x
  2. Step 2: Convert to fraction form
    8,850.85/12,213.73 = 4,871.32/x
  3. Step 3: Cross multiply
    8,850.85x = 12,213.73 × 4,871.32
  4. Step 4: Simplify right side
    8,850.85x = 59,496,987.22
  5. Step 5: Solve for x
    x = 59,496,987.22/8,850.85
  6. Step 6: Final answer
    x = 6,722.18

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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.