Home / 5,550.48-8,320.60-2,085.36

Finding the Fourth Proportional to 5,550.48, 8,320.60 and 2,085.36

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Solution

The fourth proportional to 5,550.48, 8,320.60 and 2,085.36 is: 3,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.48 : 8,320.60 = 2,085.36 : x
  2. Step 2: Convert to fraction form
    5,550.48/8,320.60 = 2,085.36/x
  3. Step 3: Cross multiply
    5,550.48x = 8,320.60 × 2,085.36
  4. Step 4: Simplify right side
    5,550.48x = 17,351,446.42
  5. Step 5: Solve for x
    x = 17,351,446.42/5,550.48
  6. Step 6: Final answer
    x = 3,126.12

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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.