Home / 8,117.40-12,175.98-4,418.76

Finding the Fourth Proportional to 8,117.40, 12,175.98 and 4,418.76

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Solution

The fourth proportional to 8,117.40, 12,175.98 and 4,418.76 is: 6,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.40 : 12,175.98 = 4,418.76 : x
  2. Step 2: Convert to fraction form
    8,117.40/12,175.98 = 4,418.76/x
  3. Step 3: Cross multiply
    8,117.40x = 12,175.98 × 4,418.76
  4. Step 4: Simplify right side
    8,117.40x = 53,802,733.38
  5. Step 5: Solve for x
    x = 53,802,733.38/8,117.40
  6. Step 6: Final answer
    x = 6,628.07

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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.