Home / 4,989.10-6,882.76-2,998.50

Finding the Fourth Proportional to 4,989.10, 6,882.76 and 2,998.50

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Solution

The fourth proportional to 4,989.10, 6,882.76 and 2,998.50 is: 4,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.10 : 6,882.76 = 2,998.50 : x
  2. Step 2: Convert to fraction form
    4,989.10/6,882.76 = 2,998.50/x
  3. Step 3: Cross multiply
    4,989.10x = 6,882.76 × 2,998.50
  4. Step 4: Simplify right side
    4,989.10x = 20,637,955.86
  5. Step 5: Solve for x
    x = 20,637,955.86/4,989.10
  6. Step 6: Final answer
    x = 4,136.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.