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Finding the Fourth Proportional to 8,536.59, 11,780.13 and 6,297.66

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Solution

The fourth proportional to 8,536.59, 11,780.13 and 6,297.66 is: 8,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.59 : 11,780.13 = 6,297.66 : x
  2. Step 2: Convert to fraction form
    8,536.59/11,780.13 = 6,297.66/x
  3. Step 3: Cross multiply
    8,536.59x = 11,780.13 × 6,297.66
  4. Step 4: Simplify right side
    8,536.59x = 74,187,253.50
  5. Step 5: Solve for x
    x = 74,187,253.50/8,536.59
  6. Step 6: Final answer
    x = 8,690.50

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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.