Home / 8,809.28-13,213.25-3,260.02

Finding the Fourth Proportional to 8,809.28, 13,213.25 and 3,260.02

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Solution

The fourth proportional to 8,809.28, 13,213.25 and 3,260.02 is: 4,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.28 : 13,213.25 = 3,260.02 : x
  2. Step 2: Convert to fraction form
    8,809.28/13,213.25 = 3,260.02/x
  3. Step 3: Cross multiply
    8,809.28x = 13,213.25 × 3,260.02
  4. Step 4: Simplify right side
    8,809.28x = 43,075,376.90
  5. Step 5: Solve for x
    x = 43,075,376.90/8,809.28
  6. Step 6: Final answer
    x = 4,889.77

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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.