Home / 5,551.13-7,662.80-3,784.52

Finding the Fourth Proportional to 5,551.13, 7,662.80 and 3,784.52

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Solution

The fourth proportional to 5,551.13, 7,662.80 and 3,784.52 is: 5,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.13 : 7,662.80 = 3,784.52 : x
  2. Step 2: Convert to fraction form
    5,551.13/7,662.80 = 3,784.52/x
  3. Step 3: Cross multiply
    5,551.13x = 7,662.80 × 3,784.52
  4. Step 4: Simplify right side
    5,551.13x = 29,000,000.93
  5. Step 5: Solve for x
    x = 29,000,000.93/5,551.13
  6. Step 6: Final answer
    x = 5,224.16

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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.