Home / 8,534.42-12,801.56-2,611.28

Finding the Fourth Proportional to 8,534.42, 12,801.56 and 2,611.28

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Solution

The fourth proportional to 8,534.42, 12,801.56 and 2,611.28 is: 3,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.42 : 12,801.56 = 2,611.28 : x
  2. Step 2: Convert to fraction form
    8,534.42/12,801.56 = 2,611.28/x
  3. Step 3: Cross multiply
    8,534.42x = 12,801.56 × 2,611.28
  4. Step 4: Simplify right side
    8,534.42x = 33,428,453.03
  5. Step 5: Solve for x
    x = 33,428,453.03/8,534.42
  6. Step 6: Final answer
    x = 3,916.90

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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.