Home / 8,172.29-11,277.83-4,635.63

Finding the Fourth Proportional to 8,172.29, 11,277.83 and 4,635.63

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Solution

The fourth proportional to 8,172.29, 11,277.83 and 4,635.63 is: 6,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.29 : 11,277.83 = 4,635.63 : x
  2. Step 2: Convert to fraction form
    8,172.29/11,277.83 = 4,635.63/x
  3. Step 3: Cross multiply
    8,172.29x = 11,277.83 × 4,635.63
  4. Step 4: Simplify right side
    8,172.29x = 52,279,858.67
  5. Step 5: Solve for x
    x = 52,279,858.67/8,172.29
  6. Step 6: Final answer
    x = 6,397.21

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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.