Home / 4,972.80-7,459.15-1,274.97

Finding the Fourth Proportional to 4,972.80, 7,459.15 and 1,274.97

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Solution

The fourth proportional to 4,972.80, 7,459.15 and 1,274.97 is: 1,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.80 : 7,459.15 = 1,274.97 : x
  2. Step 2: Convert to fraction form
    4,972.80/7,459.15 = 1,274.97/x
  3. Step 3: Cross multiply
    4,972.80x = 7,459.15 × 1,274.97
  4. Step 4: Simplify right side
    4,972.80x = 9,510,221.44
  5. Step 5: Solve for x
    x = 9,510,221.44/4,972.80
  6. Step 6: Final answer
    x = 1,912.45

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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.