Home / 8,947.35-13,416.70-3,321.14

Finding the Fourth Proportional to 8,947.35, 13,416.70 and 3,321.14

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Solution

The fourth proportional to 8,947.35, 13,416.70 and 3,321.14 is: 4,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.35 : 13,416.70 = 3,321.14 : x
  2. Step 2: Convert to fraction form
    8,947.35/13,416.70 = 3,321.14/x
  3. Step 3: Cross multiply
    8,947.35x = 13,416.70 × 3,321.14
  4. Step 4: Simplify right side
    8,947.35x = 44,558,739.04
  5. Step 5: Solve for x
    x = 44,558,739.04/8,947.35
  6. Step 6: Final answer
    x = 4,980.10

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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.