Home / 8,544.16-12,810.64-3,611.20

Finding the Fourth Proportional to 8,544.16, 12,810.64 and 3,611.20

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Solution

The fourth proportional to 8,544.16, 12,810.64 and 3,611.20 is: 5,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.16 : 12,810.64 = 3,611.20 : x
  2. Step 2: Convert to fraction form
    8,544.16/12,810.64 = 3,611.20/x
  3. Step 3: Cross multiply
    8,544.16x = 12,810.64 × 3,611.20
  4. Step 4: Simplify right side
    8,544.16x = 46,261,783.17
  5. Step 5: Solve for x
    x = 46,261,783.17/8,544.16
  6. Step 6: Final answer
    x = 5,414.43

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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.