Home / 7,542.56-11,309.72-2,611.76

Finding the Fourth Proportional to 7,542.56, 11,309.72 and 2,611.76

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Solution

The fourth proportional to 7,542.56, 11,309.72 and 2,611.76 is: 3,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.56 : 11,309.72 = 2,611.76 : x
  2. Step 2: Convert to fraction form
    7,542.56/11,309.72 = 2,611.76/x
  3. Step 3: Cross multiply
    7,542.56x = 11,309.72 × 2,611.76
  4. Step 4: Simplify right side
    7,542.56x = 29,538,274.31
  5. Step 5: Solve for x
    x = 29,538,274.31/7,542.56
  6. Step 6: Final answer
    x = 3,916.21

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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.