Home / 5,433.97-8,150.79-1,538.36

Finding the Fourth Proportional to 5,433.97, 8,150.79 and 1,538.36

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Solution

The fourth proportional to 5,433.97, 8,150.79 and 1,538.36 is: 2,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.97 : 8,150.79 = 1,538.36 : x
  2. Step 2: Convert to fraction form
    5,433.97/8,150.79 = 1,538.36/x
  3. Step 3: Cross multiply
    5,433.97x = 8,150.79 × 1,538.36
  4. Step 4: Simplify right side
    5,433.97x = 12,538,849.30
  5. Step 5: Solve for x
    x = 12,538,849.30/5,433.97
  6. Step 6: Final answer
    x = 2,307.50

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Similar ratio
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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.