Home / 8,157.57-12,236.35-2,313.42

Finding the Fourth Proportional to 8,157.57, 12,236.35 and 2,313.42

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Solution

The fourth proportional to 8,157.57, 12,236.35 and 2,313.42 is: 3,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.57 : 12,236.35 = 2,313.42 : x
  2. Step 2: Convert to fraction form
    8,157.57/12,236.35 = 2,313.42/x
  3. Step 3: Cross multiply
    8,157.57x = 12,236.35 × 2,313.42
  4. Step 4: Simplify right side
    8,157.57x = 28,307,816.82
  5. Step 5: Solve for x
    x = 28,307,816.82/8,157.57
  6. Step 6: Final answer
    x = 3,470.13

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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.