Home / 5,247.50-7,242.18-3,009.74

Finding the Fourth Proportional to 5,247.50, 7,242.18 and 3,009.74

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Solution

The fourth proportional to 5,247.50, 7,242.18 and 3,009.74 is: 4,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.50 : 7,242.18 = 3,009.74 : x
  2. Step 2: Convert to fraction form
    5,247.50/7,242.18 = 3,009.74/x
  3. Step 3: Cross multiply
    5,247.50x = 7,242.18 × 3,009.74
  4. Step 4: Simplify right side
    5,247.50x = 21,797,078.83
  5. Step 5: Solve for x
    x = 21,797,078.83/5,247.50
  6. Step 6: Final answer
    x = 4,153.80

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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.