Home / 4,768.22-7,151.45-1,994.15

Finding the Fourth Proportional to 4,768.22, 7,151.45 and 1,994.15

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Solution

The fourth proportional to 4,768.22, 7,151.45 and 1,994.15 is: 2,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.22 : 7,151.45 = 1,994.15 : x
  2. Step 2: Convert to fraction form
    4,768.22/7,151.45 = 1,994.15/x
  3. Step 3: Cross multiply
    4,768.22x = 7,151.45 × 1,994.15
  4. Step 4: Simplify right side
    4,768.22x = 14,261,018.29
  5. Step 5: Solve for x
    x = 14,261,018.29/4,768.22
  6. Step 6: Final answer
    x = 2,990.85

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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.