Home / 4,972.12-7,458.18-1,274.35

Finding the Fourth Proportional to 4,972.12, 7,458.18 and 1,274.35

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Solution

The fourth proportional to 4,972.12, 7,458.18 and 1,274.35 is: 1,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.12 : 7,458.18 = 1,274.35 : x
  2. Step 2: Convert to fraction form
    4,972.12/7,458.18 = 1,274.35/x
  3. Step 3: Cross multiply
    4,972.12x = 7,458.18 × 1,274.35
  4. Step 4: Simplify right side
    4,972.12x = 9,504,331.68
  5. Step 5: Solve for x
    x = 9,504,331.68/4,972.12
  6. Step 6: Final answer
    x = 1,911.53

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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.