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Finding the Fourth Proportional to 8,882.69, 12,259.70 and 5,297.88

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Solution

The fourth proportional to 8,882.69, 12,259.70 and 5,297.88 is: 7,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.69 : 12,259.70 = 5,297.88 : x
  2. Step 2: Convert to fraction form
    8,882.69/12,259.70 = 5,297.88/x
  3. Step 3: Cross multiply
    8,882.69x = 12,259.70 × 5,297.88
  4. Step 4: Simplify right side
    8,882.69x = 64,950,392.95
  5. Step 5: Solve for x
    x = 64,950,392.95/8,882.69
  6. Step 6: Final answer
    x = 7,312.02

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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.