Home / 8,922.80-12,314.22-4,945.16

Finding the Fourth Proportional to 8,922.80, 12,314.22 and 4,945.16

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Solution

The fourth proportional to 8,922.80, 12,314.22 and 4,945.16 is: 6,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.80 : 12,314.22 = 4,945.16 : x
  2. Step 2: Convert to fraction form
    8,922.80/12,314.22 = 4,945.16/x
  3. Step 3: Cross multiply
    8,922.80x = 12,314.22 × 4,945.16
  4. Step 4: Simplify right side
    8,922.80x = 60,895,788.18
  5. Step 5: Solve for x
    x = 60,895,788.18/8,922.80
  6. Step 6: Final answer
    x = 6,824.74

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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.