Home / 8,208.72-11,319.08-5,551.44

Finding the Fourth Proportional to 8,208.72, 11,319.08 and 5,551.44

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Solution

The fourth proportional to 8,208.72, 11,319.08 and 5,551.44 is: 7,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.72 : 11,319.08 = 5,551.44 : x
  2. Step 2: Convert to fraction form
    8,208.72/11,319.08 = 5,551.44/x
  3. Step 3: Cross multiply
    8,208.72x = 11,319.08 × 5,551.44
  4. Step 4: Simplify right side
    8,208.72x = 62,837,193.48
  5. Step 5: Solve for x
    x = 62,837,193.48/8,208.72
  6. Step 6: Final answer
    x = 7,654.93

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1.5x scale

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.