Home / 8,279.76-11,428.48-4,924.94

Finding the Fourth Proportional to 8,279.76, 11,428.48 and 4,924.94

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Solution

The fourth proportional to 8,279.76, 11,428.48 and 4,924.94 is: 6,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.76 : 11,428.48 = 4,924.94 : x
  2. Step 2: Convert to fraction form
    8,279.76/11,428.48 = 4,924.94/x
  3. Step 3: Cross multiply
    8,279.76x = 11,428.48 × 4,924.94
  4. Step 4: Simplify right side
    8,279.76x = 56,284,578.29
  5. Step 5: Solve for x
    x = 56,284,578.29/8,279.76
  6. Step 6: Final answer
    x = 6,797.85

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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.