Home / 8,566.72-11,837.28-6,717.76

Finding the Fourth Proportional to 8,566.72, 11,837.28 and 6,717.76

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Solution

The fourth proportional to 8,566.72, 11,837.28 and 6,717.76 is: 9,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.72 : 11,837.28 = 6,717.76 : x
  2. Step 2: Convert to fraction form
    8,566.72/11,837.28 = 6,717.76/x
  3. Step 3: Cross multiply
    8,566.72x = 11,837.28 × 6,717.76
  4. Step 4: Simplify right side
    8,566.72x = 79,520,006.09
  5. Step 5: Solve for x
    x = 79,520,006.09/8,566.72
  6. Step 6: Final answer
    x = 9,282.43

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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.