Home / 8,857.58-13,255.50-6,397.34

Finding the Fourth Proportional to 8,857.58, 13,255.50 and 6,397.34

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Solution

The fourth proportional to 8,857.58, 13,255.50 and 6,397.34 is: 9,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.58 : 13,255.50 = 6,397.34 : x
  2. Step 2: Convert to fraction form
    8,857.58/13,255.50 = 6,397.34/x
  3. Step 3: Cross multiply
    8,857.58x = 13,255.50 × 6,397.34
  4. Step 4: Simplify right side
    8,857.58x = 84,799,940.37
  5. Step 5: Solve for x
    x = 84,799,940.37/8,857.58
  6. Step 6: Final answer
    x = 9,573.71

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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.