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Finding the Fourth Proportional to 8,975.76, 13,464.52 and 3,433.76

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Solution

The fourth proportional to 8,975.76, 13,464.52 and 3,433.76 is: 5,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.76 : 13,464.52 = 3,433.76 : x
  2. Step 2: Convert to fraction form
    8,975.76/13,464.52 = 3,433.76/x
  3. Step 3: Cross multiply
    8,975.76x = 13,464.52 × 3,433.76
  4. Step 4: Simplify right side
    8,975.76x = 46,233,930.20
  5. Step 5: Solve for x
    x = 46,233,930.20/8,975.76
  6. Step 6: Final answer
    x = 5,150.98

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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.