Home / 4,542.40-6,809.60-2,688.96

Finding the Fourth Proportional to 4,542.40, 6,809.60 and 2,688.96

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Solution

The fourth proportional to 4,542.40, 6,809.60 and 2,688.96 is: 4,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.40 : 6,809.60 = 2,688.96 : x
  2. Step 2: Convert to fraction form
    4,542.40/6,809.60 = 2,688.96/x
  3. Step 3: Cross multiply
    4,542.40x = 6,809.60 × 2,688.96
  4. Step 4: Simplify right side
    4,542.40x = 18,310,742.02
  5. Step 5: Solve for x
    x = 18,310,742.02/4,542.40
  6. Step 6: Final answer
    x = 4,031.07

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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.