Home / 8,172.35-11,276.67-4,634.88

Finding the Fourth Proportional to 8,172.35, 11,276.67 and 4,634.88

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Solution

The fourth proportional to 8,172.35, 11,276.67 and 4,634.88 is: 6,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.35 : 11,276.67 = 4,634.88 : x
  2. Step 2: Convert to fraction form
    8,172.35/11,276.67 = 4,634.88/x
  3. Step 3: Cross multiply
    8,172.35x = 11,276.67 × 4,634.88
  4. Step 4: Simplify right side
    8,172.35x = 52,266,012.25
  5. Step 5: Solve for x
    x = 52,266,012.25/8,172.35
  6. Step 6: Final answer
    x = 6,395.47

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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.