Home / 8,542.08-11,788.92-5,185.98

Finding the Fourth Proportional to 8,542.08, 11,788.92 and 5,185.98

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Solution

The fourth proportional to 8,542.08, 11,788.92 and 5,185.98 is: 7,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.08 : 11,788.92 = 5,185.98 : x
  2. Step 2: Convert to fraction form
    8,542.08/11,788.92 = 5,185.98/x
  3. Step 3: Cross multiply
    8,542.08x = 11,788.92 × 5,185.98
  4. Step 4: Simplify right side
    8,542.08x = 61,137,103.34
  5. Step 5: Solve for x
    x = 61,137,103.34/8,542.08
  6. Step 6: Final answer
    x = 7,157.17

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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.