Home / 6,279.22-9,416.41-2,118.11

Finding the Fourth Proportional to 6,279.22, 9,416.41 and 2,118.11

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Solution

The fourth proportional to 6,279.22, 9,416.41 and 2,118.11 is: 3,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.22 : 9,416.41 = 2,118.11 : x
  2. Step 2: Convert to fraction form
    6,279.22/9,416.41 = 2,118.11/x
  3. Step 3: Cross multiply
    6,279.22x = 9,416.41 × 2,118.11
  4. Step 4: Simplify right side
    6,279.22x = 19,944,981.59
  5. Step 5: Solve for x
    x = 19,944,981.59/6,279.22
  6. Step 6: Final answer
    x = 3,176.35

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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.