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Finding the Fourth Proportional to 34,835.97, 52,253.78 and 8,540.63

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Solution

The fourth proportional to 34,835.97, 52,253.78 and 8,540.63 is: 12,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,835.97 : 52,253.78 = 8,540.63 : x
  2. Step 2: Convert to fraction form
    34,835.97/52,253.78 = 8,540.63/x
  3. Step 3: Cross multiply
    34,835.97x = 52,253.78 × 8,540.63
  4. Step 4: Simplify right side
    34,835.97x = 446,279,897.11
  5. Step 5: Solve for x
    x = 446,279,897.11/34,835.97
  6. Step 6: Final answer
    x = 12,810.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.