Home / 8,731.24-13,087.34-4,291.96

Finding the Fourth Proportional to 8,731.24, 13,087.34 and 4,291.96

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Solution

The fourth proportional to 8,731.24, 13,087.34 and 4,291.96 is: 6,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.24 : 13,087.34 = 4,291.96 : x
  2. Step 2: Convert to fraction form
    8,731.24/13,087.34 = 4,291.96/x
  3. Step 3: Cross multiply
    8,731.24x = 13,087.34 × 4,291.96
  4. Step 4: Simplify right side
    8,731.24x = 56,170,339.79
  5. Step 5: Solve for x
    x = 56,170,339.79/8,731.24
  6. Step 6: Final answer
    x = 6,433.26

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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.