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Finding the Fourth Proportional to 4,839.89, 7,259.14 and 1,552.55

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Solution

The fourth proportional to 4,839.89, 7,259.14 and 1,552.55 is: 2,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.89 : 7,259.14 = 1,552.55 : x
  2. Step 2: Convert to fraction form
    4,839.89/7,259.14 = 1,552.55/x
  3. Step 3: Cross multiply
    4,839.89x = 7,259.14 × 1,552.55
  4. Step 4: Simplify right side
    4,839.89x = 11,270,184.28
  5. Step 5: Solve for x
    x = 11,270,184.28/4,839.89
  6. Step 6: Final answer
    x = 2,328.61

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1.5x scale

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.