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Finding the Fourth Proportional to 8,322.44, 12,482.24 and 2,775.20

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Solution

The fourth proportional to 8,322.44, 12,482.24 and 2,775.20 is: 4,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.44 : 12,482.24 = 2,775.20 : x
  2. Step 2: Convert to fraction form
    8,322.44/12,482.24 = 2,775.20/x
  3. Step 3: Cross multiply
    8,322.44x = 12,482.24 × 2,775.20
  4. Step 4: Simplify right side
    8,322.44x = 34,640,636.16
  5. Step 5: Solve for x
    x = 34,640,636.16/8,322.44
  6. Step 6: Final answer
    x = 4,162.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.