Home / 8,198.98-12,301.08-3,457.66

Finding the Fourth Proportional to 8,198.98, 12,301.08 and 3,457.66

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Solution

The fourth proportional to 8,198.98, 12,301.08 and 3,457.66 is: 5,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.98 : 12,301.08 = 3,457.66 : x
  2. Step 2: Convert to fraction form
    8,198.98/12,301.08 = 3,457.66/x
  3. Step 3: Cross multiply
    8,198.98x = 12,301.08 × 3,457.66
  4. Step 4: Simplify right side
    8,198.98x = 42,532,952.27
  5. Step 5: Solve for x
    x = 42,532,952.27/8,198.98
  6. Step 6: Final answer
    x = 5,187.59

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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.