Home / 4,643.21-6,996.75-3,839.55

Finding the Fourth Proportional to 4,643.21, 6,996.75 and 3,839.55

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Solution

The fourth proportional to 4,643.21, 6,996.75 and 3,839.55 is: 5,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.21 : 6,996.75 = 3,839.55 : x
  2. Step 2: Convert to fraction form
    4,643.21/6,996.75 = 3,839.55/x
  3. Step 3: Cross multiply
    4,643.21x = 6,996.75 × 3,839.55
  4. Step 4: Simplify right side
    4,643.21x = 26,864,371.46
  5. Step 5: Solve for x
    x = 26,864,371.46/4,643.21
  6. Step 6: Final answer
    x = 5,785.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.