Home / 4,847.55-7,272.47-2,072.76

Finding the Fourth Proportional to 4,847.55, 7,272.47 and 2,072.76

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Solution

The fourth proportional to 4,847.55, 7,272.47 and 2,072.76 is: 3,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.55 : 7,272.47 = 2,072.76 : x
  2. Step 2: Convert to fraction form
    4,847.55/7,272.47 = 2,072.76/x
  3. Step 3: Cross multiply
    4,847.55x = 7,272.47 × 2,072.76
  4. Step 4: Simplify right side
    4,847.55x = 15,074,084.92
  5. Step 5: Solve for x
    x = 15,074,084.92/4,847.55
  6. Step 6: Final answer
    x = 3,109.63

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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.