Home / 8,521.08-11,755.74-6,288.33

Finding the Fourth Proportional to 8,521.08, 11,755.74 and 6,288.33

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Solution

The fourth proportional to 8,521.08, 11,755.74 and 6,288.33 is: 8,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.08 : 11,755.74 = 6,288.33 : x
  2. Step 2: Convert to fraction form
    8,521.08/11,755.74 = 6,288.33/x
  3. Step 3: Cross multiply
    8,521.08x = 11,755.74 × 6,288.33
  4. Step 4: Simplify right side
    8,521.08x = 73,923,972.51
  5. Step 5: Solve for x
    x = 73,923,972.51/8,521.08
  6. Step 6: Final answer
    x = 8,675.42

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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.