Home / 3,550.54-5,325.78-918.04

Finding the Fourth Proportional to 3,550.54, 5,325.78 and 918.04

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Solution

The fourth proportional to 3,550.54, 5,325.78 and 918.04 is: 1,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.54 : 5,325.78 = 918.04 : x
  2. Step 2: Convert to fraction form
    3,550.54/5,325.78 = 918.04/x
  3. Step 3: Cross multiply
    3,550.54x = 5,325.78 × 918.04
  4. Step 4: Simplify right side
    3,550.54x = 4,889,279.07
  5. Step 5: Solve for x
    x = 4,889,279.07/3,550.54
  6. Step 6: Final answer
    x = 1,377.05

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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.