Home / 8,784.24-13,177.28-2,861.58

Finding the Fourth Proportional to 8,784.24, 13,177.28 and 2,861.58

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Solution

The fourth proportional to 8,784.24, 13,177.28 and 2,861.58 is: 4,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.24 : 13,177.28 = 2,861.58 : x
  2. Step 2: Convert to fraction form
    8,784.24/13,177.28 = 2,861.58/x
  3. Step 3: Cross multiply
    8,784.24x = 13,177.28 × 2,861.58
  4. Step 4: Simplify right side
    8,784.24x = 37,707,881.37
  5. Step 5: Solve for x
    x = 37,707,881.37/8,784.24
  6. Step 6: Final answer
    x = 4,292.68

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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.