Home / 7,217.19-10,835.75-4,990.56

Finding the Fourth Proportional to 7,217.19, 10,835.75 and 4,990.56

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Solution

The fourth proportional to 7,217.19, 10,835.75 and 4,990.56 is: 7,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.19 : 10,835.75 = 4,990.56 : x
  2. Step 2: Convert to fraction form
    7,217.19/10,835.75 = 4,990.56/x
  3. Step 3: Cross multiply
    7,217.19x = 10,835.75 × 4,990.56
  4. Step 4: Simplify right side
    7,217.19x = 54,076,435.57
  5. Step 5: Solve for x
    x = 54,076,435.57/7,217.19
  6. Step 6: Final answer
    x = 7,492.73

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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.