Home / 8,359.48-12,530.46-3,971.68

Finding the Fourth Proportional to 8,359.48, 12,530.46 and 3,971.68

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Solution

The fourth proportional to 8,359.48, 12,530.46 and 3,971.68 is: 5,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.48 : 12,530.46 = 3,971.68 : x
  2. Step 2: Convert to fraction form
    8,359.48/12,530.46 = 3,971.68/x
  3. Step 3: Cross multiply
    8,359.48x = 12,530.46 × 3,971.68
  4. Step 4: Simplify right side
    8,359.48x = 49,766,977.37
  5. Step 5: Solve for x
    x = 49,766,977.37/8,359.48
  6. Step 6: Final answer
    x = 5,953.36

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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.