Home / 6,279.50-8,665.80-3,446.84

Finding the Fourth Proportional to 6,279.50, 8,665.80 and 3,446.84

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Solution

The fourth proportional to 6,279.50, 8,665.80 and 3,446.84 is: 4,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.50 : 8,665.80 = 3,446.84 : x
  2. Step 2: Convert to fraction form
    6,279.50/8,665.80 = 3,446.84/x
  3. Step 3: Cross multiply
    6,279.50x = 8,665.80 × 3,446.84
  4. Step 4: Simplify right side
    6,279.50x = 29,869,626.07
  5. Step 5: Solve for x
    x = 29,869,626.07/6,279.50
  6. Step 6: Final answer
    x = 4,756.69

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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.