Home / 5,551.23-7,662.87-3,783.81

Finding the Fourth Proportional to 5,551.23, 7,662.87 and 3,783.81

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Solution

The fourth proportional to 5,551.23, 7,662.87 and 3,783.81 is: 5,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.23 : 7,662.87 = 3,783.81 : x
  2. Step 2: Convert to fraction form
    5,551.23/7,662.87 = 3,783.81/x
  3. Step 3: Cross multiply
    5,551.23x = 7,662.87 × 3,783.81
  4. Step 4: Simplify right side
    5,551.23x = 28,994,844.13
  5. Step 5: Solve for x
    x = 28,994,844.13/5,551.23
  6. Step 6: Final answer
    x = 5,223.14

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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.