Home / 4,252.20-6,379.66-1,913.63

Finding the Fourth Proportional to 4,252.20, 6,379.66 and 1,913.63

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Solution

The fourth proportional to 4,252.20, 6,379.66 and 1,913.63 is: 2,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.20 : 6,379.66 = 1,913.63 : x
  2. Step 2: Convert to fraction form
    4,252.20/6,379.66 = 1,913.63/x
  3. Step 3: Cross multiply
    4,252.20x = 6,379.66 × 1,913.63
  4. Step 4: Simplify right side
    4,252.20x = 12,208,279.26
  5. Step 5: Solve for x
    x = 12,208,279.26/4,252.20
  6. Step 6: Final answer
    x = 2,871.05

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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.