Home / 8,289.52-12,431.70-2,741.62

Finding the Fourth Proportional to 8,289.52, 12,431.70 and 2,741.62

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Solution

The fourth proportional to 8,289.52, 12,431.70 and 2,741.62 is: 4,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.52 : 12,431.70 = 2,741.62 : x
  2. Step 2: Convert to fraction form
    8,289.52/12,431.70 = 2,741.62/x
  3. Step 3: Cross multiply
    8,289.52x = 12,431.70 × 2,741.62
  4. Step 4: Simplify right side
    8,289.52x = 34,082,997.35
  5. Step 5: Solve for x
    x = 34,082,997.35/8,289.52
  6. Step 6: Final answer
    x = 4,111.58

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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.