Home / 8,947.34-13,412.79-3,099.86

Finding the Fourth Proportional to 8,947.34, 13,412.79 and 3,099.86

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Solution

The fourth proportional to 8,947.34, 13,412.79 and 3,099.86 is: 4,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.34 : 13,412.79 = 3,099.86 : x
  2. Step 2: Convert to fraction form
    8,947.34/13,412.79 = 3,099.86/x
  3. Step 3: Cross multiply
    8,947.34x = 13,412.79 × 3,099.86
  4. Step 4: Simplify right side
    8,947.34x = 41,577,771.21
  5. Step 5: Solve for x
    x = 41,577,771.21/8,947.34
  6. Step 6: Final answer
    x = 4,646.94

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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.