Home / 4,989.82-7,484.73-2,215.84

Finding the Fourth Proportional to 4,989.82, 7,484.73 and 2,215.84

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Solution

The fourth proportional to 4,989.82, 7,484.73 and 2,215.84 is: 3,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.82 : 7,484.73 = 2,215.84 : x
  2. Step 2: Convert to fraction form
    4,989.82/7,484.73 = 2,215.84/x
  3. Step 3: Cross multiply
    4,989.82x = 7,484.73 × 2,215.84
  4. Step 4: Simplify right side
    4,989.82x = 16,584,964.12
  5. Step 5: Solve for x
    x = 16,584,964.12/4,989.82
  6. Step 6: Final answer
    x = 3,323.76

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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.