Home / 4,989.54-7,486.84-3,324.81

Finding the Fourth Proportional to 4,989.54, 7,486.84 and 3,324.81

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Solution

The fourth proportional to 4,989.54, 7,486.84 and 3,324.81 is: 4,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.54 : 7,486.84 = 3,324.81 : x
  2. Step 2: Convert to fraction form
    4,989.54/7,486.84 = 3,324.81/x
  3. Step 3: Cross multiply
    4,989.54x = 7,486.84 × 3,324.81
  4. Step 4: Simplify right side
    4,989.54x = 24,892,320.50
  5. Step 5: Solve for x
    x = 24,892,320.50/4,989.54
  6. Step 6: Final answer
    x = 4,988.90

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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.