Home / 8,865.24-13,301.79-4,485.72

Finding the Fourth Proportional to 8,865.24, 13,301.79 and 4,485.72

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Solution

The fourth proportional to 8,865.24, 13,301.79 and 4,485.72 is: 6,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.24 : 13,301.79 = 4,485.72 : x
  2. Step 2: Convert to fraction form
    8,865.24/13,301.79 = 4,485.72/x
  3. Step 3: Cross multiply
    8,865.24x = 13,301.79 × 4,485.72
  4. Step 4: Simplify right side
    8,865.24x = 59,668,105.44
  5. Step 5: Solve for x
    x = 59,668,105.44/8,865.24
  6. Step 6: Final answer
    x = 6,730.57

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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.