Home / 4,748.25-7,122.47-1,974.14

Finding the Fourth Proportional to 4,748.25, 7,122.47 and 1,974.14

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Solution

The fourth proportional to 4,748.25, 7,122.47 and 1,974.14 is: 2,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.25 : 7,122.47 = 1,974.14 : x
  2. Step 2: Convert to fraction form
    4,748.25/7,122.47 = 1,974.14/x
  3. Step 3: Cross multiply
    4,748.25x = 7,122.47 × 1,974.14
  4. Step 4: Simplify right side
    4,748.25x = 14,060,707.44
  5. Step 5: Solve for x
    x = 14,060,707.44/4,748.25
  6. Step 6: Final answer
    x = 2,961.24

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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.