Home / 4,186.20-6,279.30-1,882.20

Finding the Fourth Proportional to 4,186.20, 6,279.30 and 1,882.20

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Solution

The fourth proportional to 4,186.20, 6,279.30 and 1,882.20 is: 2,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.20 : 6,279.30 = 1,882.20 : x
  2. Step 2: Convert to fraction form
    4,186.20/6,279.30 = 1,882.20/x
  3. Step 3: Cross multiply
    4,186.20x = 6,279.30 × 1,882.20
  4. Step 4: Simplify right side
    4,186.20x = 11,818,898.46
  5. Step 5: Solve for x
    x = 11,818,898.46/4,186.20
  6. Step 6: Final answer
    x = 2,823.30

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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.