Home / 8,856.93-13,285.77-3,309.72

Finding the Fourth Proportional to 8,856.93, 13,285.77 and 3,309.72

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Solution

The fourth proportional to 8,856.93, 13,285.77 and 3,309.72 is: 4,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.93 : 13,285.77 = 3,309.72 : x
  2. Step 2: Convert to fraction form
    8,856.93/13,285.77 = 3,309.72/x
  3. Step 3: Cross multiply
    8,856.93x = 13,285.77 × 3,309.72
  4. Step 4: Simplify right side
    8,856.93x = 43,972,178.68
  5. Step 5: Solve for x
    x = 43,972,178.68/8,856.93
  6. Step 6: Final answer
    x = 4,964.72

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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.