Home / 8,370.28-11,542.96-5,012.56

Finding the Fourth Proportional to 8,370.28, 11,542.96 and 5,012.56

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Solution

The fourth proportional to 8,370.28, 11,542.96 and 5,012.56 is: 6,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.28 : 11,542.96 = 5,012.56 : x
  2. Step 2: Convert to fraction form
    8,370.28/11,542.96 = 5,012.56/x
  3. Step 3: Cross multiply
    8,370.28x = 11,542.96 × 5,012.56
  4. Step 4: Simplify right side
    8,370.28x = 57,859,779.58
  5. Step 5: Solve for x
    x = 57,859,779.58/8,370.28
  6. Step 6: Final answer
    x = 6,912.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.