Home / 4,514.40-6,766.74-2,781

Finding the Fourth Proportional to 4,514.40, 6,766.74 and 2,781

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Solution

The fourth proportional to 4,514.40, 6,766.74 and 2,781 is: 4,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,514.40 : 6,766.74 = 2,781 : x
  2. Step 2: Convert to fraction form
    4,514.40/6,766.74 = 2,781/x
  3. Step 3: Cross multiply
    4,514.40x = 6,766.74 × 2,781
  4. Step 4: Simplify right side
    4,514.40x = 18,818,303.94
  5. Step 5: Solve for x
    x = 18,818,303.94/4,514.40
  6. Step 6: Final answer
    x = 4,168.51

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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.