Home / 8,351.42-12,527.56-2,111.48

Finding the Fourth Proportional to 8,351.42, 12,527.56 and 2,111.48

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Solution

The fourth proportional to 8,351.42, 12,527.56 and 2,111.48 is: 3,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.42 : 12,527.56 = 2,111.48 : x
  2. Step 2: Convert to fraction form
    8,351.42/12,527.56 = 2,111.48/x
  3. Step 3: Cross multiply
    8,351.42x = 12,527.56 × 2,111.48
  4. Step 4: Simplify right side
    8,351.42x = 26,451,749.84
  5. Step 5: Solve for x
    x = 26,451,749.84/8,351.42
  6. Step 6: Final answer
    x = 3,167.34

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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.