Home / 4,550.81-6,279-2,781.77

Finding the Fourth Proportional to 4,550.81, 6,279 and 2,781.77

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Solution

The fourth proportional to 4,550.81, 6,279 and 2,781.77 is: 3,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.81 : 6,279 = 2,781.77 : x
  2. Step 2: Convert to fraction form
    4,550.81/6,279 = 2,781.77/x
  3. Step 3: Cross multiply
    4,550.81x = 6,279 × 2,781.77
  4. Step 4: Simplify right side
    4,550.81x = 17,466,733.83
  5. Step 5: Solve for x
    x = 17,466,733.83/4,550.81
  6. Step 6: Final answer
    x = 3,838.16

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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.