Home / 7,586.68-11,377.58-2,655.40

Finding the Fourth Proportional to 7,586.68, 11,377.58 and 2,655.40

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Solution

The fourth proportional to 7,586.68, 11,377.58 and 2,655.40 is: 3,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.68 : 11,377.58 = 2,655.40 : x
  2. Step 2: Convert to fraction form
    7,586.68/11,377.58 = 2,655.40/x
  3. Step 3: Cross multiply
    7,586.68x = 11,377.58 × 2,655.40
  4. Step 4: Simplify right side
    7,586.68x = 30,212,025.93
  5. Step 5: Solve for x
    x = 30,212,025.93/7,586.68
  6. Step 6: Final answer
    x = 3,982.25

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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.