Home / 8,530.50-12,794.49-2,688.54

Finding the Fourth Proportional to 8,530.50, 12,794.49 and 2,688.54

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Solution

The fourth proportional to 8,530.50, 12,794.49 and 2,688.54 is: 4,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.50 : 12,794.49 = 2,688.54 : x
  2. Step 2: Convert to fraction form
    8,530.50/12,794.49 = 2,688.54/x
  3. Step 3: Cross multiply
    8,530.50x = 12,794.49 × 2,688.54
  4. Step 4: Simplify right side
    8,530.50x = 34,398,498.14
  5. Step 5: Solve for x
    x = 34,398,498.14/8,530.50
  6. Step 6: Final answer
    x = 4,032.41

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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.