Home / 7,261.56-10,892.95-2,579.76

Finding the Fourth Proportional to 7,261.56, 10,892.95 and 2,579.76

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Solution

The fourth proportional to 7,261.56, 10,892.95 and 2,579.76 is: 3,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.56 : 10,892.95 = 2,579.76 : x
  2. Step 2: Convert to fraction form
    7,261.56/10,892.95 = 2,579.76/x
  3. Step 3: Cross multiply
    7,261.56x = 10,892.95 × 2,579.76
  4. Step 4: Simplify right side
    7,261.56x = 28,101,190.24
  5. Step 5: Solve for x
    x = 28,101,190.24/7,261.56
  6. Step 6: Final answer
    x = 3,869.86

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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.