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Finding the Fourth Proportional to 4,632.69, 6,393.02 and 2,839.55

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Solution

The fourth proportional to 4,632.69, 6,393.02 and 2,839.55 is: 3,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,632.69 : 6,393.02 = 2,839.55 : x
  2. Step 2: Convert to fraction form
    4,632.69/6,393.02 = 2,839.55/x
  3. Step 3: Cross multiply
    4,632.69x = 6,393.02 × 2,839.55
  4. Step 4: Simplify right side
    4,632.69x = 18,153,301.73
  5. Step 5: Solve for x
    x = 18,153,301.73/4,632.69
  6. Step 6: Final answer
    x = 3,918.52

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1.5x scale

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.