Home / 10,530.54-15,795.77-4,289.09

Finding the Fourth Proportional to 10,530.54, 15,795.77 and 4,289.09

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Solution

The fourth proportional to 10,530.54, 15,795.77 and 4,289.09 is: 6,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.54 : 15,795.77 = 4,289.09 : x
  2. Step 2: Convert to fraction form
    10,530.54/15,795.77 = 4,289.09/x
  3. Step 3: Cross multiply
    10,530.54x = 15,795.77 × 4,289.09
  4. Step 4: Simplify right side
    10,530.54x = 67,749,378.73
  5. Step 5: Solve for x
    x = 67,749,378.73/10,530.54
  6. Step 6: Final answer
    x = 6,433.61

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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.