Home / 8,860.47-13,288.87-3,926.96

Finding the Fourth Proportional to 8,860.47, 13,288.87 and 3,926.96

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Solution

The fourth proportional to 8,860.47, 13,288.87 and 3,926.96 is: 5,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.47 : 13,288.87 = 3,926.96 : x
  2. Step 2: Convert to fraction form
    8,860.47/13,288.87 = 3,926.96/x
  3. Step 3: Cross multiply
    8,860.47x = 13,288.87 × 3,926.96
  4. Step 4: Simplify right side
    8,860.47x = 52,184,774.86
  5. Step 5: Solve for x
    x = 52,184,774.86/8,860.47
  6. Step 6: Final answer
    x = 5,889.62

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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.