Home / 8,839.81-12,198.99-4,861.18

Finding the Fourth Proportional to 8,839.81, 12,198.99 and 4,861.18

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Solution

The fourth proportional to 8,839.81, 12,198.99 and 4,861.18 is: 6,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.81 : 12,198.99 = 4,861.18 : x
  2. Step 2: Convert to fraction form
    8,839.81/12,198.99 = 4,861.18/x
  3. Step 3: Cross multiply
    8,839.81x = 12,198.99 × 4,861.18
  4. Step 4: Simplify right side
    8,839.81x = 59,301,486.21
  5. Step 5: Solve for x
    x = 59,301,486.21/8,839.81
  6. Step 6: Final answer
    x = 6,708.46

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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.