Home / 7,655.76-11,483.60-2,109.87

Finding the Fourth Proportional to 7,655.76, 11,483.60 and 2,109.87

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Solution

The fourth proportional to 7,655.76, 11,483.60 and 2,109.87 is: 3,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.76 : 11,483.60 = 2,109.87 : x
  2. Step 2: Convert to fraction form
    7,655.76/11,483.60 = 2,109.87/x
  3. Step 3: Cross multiply
    7,655.76x = 11,483.60 × 2,109.87
  4. Step 4: Simplify right side
    7,655.76x = 24,228,892.58
  5. Step 5: Solve for x
    x = 24,228,892.58/7,655.76
  6. Step 6: Final answer
    x = 3,164.79

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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.