Home / 4,814.28-6,643.38-2,718

Finding the Fourth Proportional to 4,814.28, 6,643.38 and 2,718

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Solution

The fourth proportional to 4,814.28, 6,643.38 and 2,718 is: 3,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.28 : 6,643.38 = 2,718 : x
  2. Step 2: Convert to fraction form
    4,814.28/6,643.38 = 2,718/x
  3. Step 3: Cross multiply
    4,814.28x = 6,643.38 × 2,718
  4. Step 4: Simplify right side
    4,814.28x = 18,056,706.84
  5. Step 5: Solve for x
    x = 18,056,706.84/4,814.28
  6. Step 6: Final answer
    x = 3,750.66

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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.