Home / 8,172.22-11,280.25-4,814.97

Finding the Fourth Proportional to 8,172.22, 11,280.25 and 4,814.97

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Solution

The fourth proportional to 8,172.22, 11,280.25 and 4,814.97 is: 6,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.22 : 11,280.25 = 4,814.97 : x
  2. Step 2: Convert to fraction form
    8,172.22/11,280.25 = 4,814.97/x
  3. Step 3: Cross multiply
    8,172.22x = 11,280.25 × 4,814.97
  4. Step 4: Simplify right side
    8,172.22x = 54,314,065.34
  5. Step 5: Solve for x
    x = 54,314,065.34/8,172.22
  6. Step 6: Final answer
    x = 6,646.18

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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.