Home / 8,850.38-12,213.53-4,871.40

Finding the Fourth Proportional to 8,850.38, 12,213.53 and 4,871.40

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Solution

The fourth proportional to 8,850.38, 12,213.53 and 4,871.40 is: 6,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.38 : 12,213.53 = 4,871.40 : x
  2. Step 2: Convert to fraction form
    8,850.38/12,213.53 = 4,871.40/x
  3. Step 3: Cross multiply
    8,850.38x = 12,213.53 × 4,871.40
  4. Step 4: Simplify right side
    8,850.38x = 59,496,965.69
  5. Step 5: Solve for x
    x = 59,496,965.69/8,850.38
  6. Step 6: Final answer
    x = 6,722.54

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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.