Home / 8,922.87-12,309.66-6,272.01

Finding the Fourth Proportional to 8,922.87, 12,309.66 and 6,272.01

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Solution

The fourth proportional to 8,922.87, 12,309.66 and 6,272.01 is: 8,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.87 : 12,309.66 = 6,272.01 : x
  2. Step 2: Convert to fraction form
    8,922.87/12,309.66 = 6,272.01/x
  3. Step 3: Cross multiply
    8,922.87x = 12,309.66 × 6,272.01
  4. Step 4: Simplify right side
    8,922.87x = 77,206,310.62
  5. Step 5: Solve for x
    x = 77,206,310.62/8,922.87
  6. Step 6: Final answer
    x = 8,652.63

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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.