Home / 7,722.04-11,582.70-3,101.80

Finding the Fourth Proportional to 7,722.04, 11,582.70 and 3,101.80

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Solution

The fourth proportional to 7,722.04, 11,582.70 and 3,101.80 is: 4,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.04 : 11,582.70 = 3,101.80 : x
  2. Step 2: Convert to fraction form
    7,722.04/11,582.70 = 3,101.80/x
  3. Step 3: Cross multiply
    7,722.04x = 11,582.70 × 3,101.80
  4. Step 4: Simplify right side
    7,722.04x = 35,927,218.86
  5. Step 5: Solve for x
    x = 35,927,218.86/7,722.04
  6. Step 6: Final answer
    x = 4,652.56

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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.