Home / 4,279.81-6,423.06-2,199.73

Finding the Fourth Proportional to 4,279.81, 6,423.06 and 2,199.73

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Solution

The fourth proportional to 4,279.81, 6,423.06 and 2,199.73 is: 3,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.81 : 6,423.06 = 2,199.73 : x
  2. Step 2: Convert to fraction form
    4,279.81/6,423.06 = 2,199.73/x
  3. Step 3: Cross multiply
    4,279.81x = 6,423.06 × 2,199.73
  4. Step 4: Simplify right side
    4,279.81x = 14,128,954.66
  5. Step 5: Solve for x
    x = 14,128,954.66/4,279.81
  6. Step 6: Final answer
    x = 3,301.31

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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.