Home / 7,064.40-10,589.20-3,364.88

Finding the Fourth Proportional to 7,064.40, 10,589.20 and 3,364.88

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Solution

The fourth proportional to 7,064.40, 10,589.20 and 3,364.88 is: 5,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.40 : 10,589.20 = 3,364.88 : x
  2. Step 2: Convert to fraction form
    7,064.40/10,589.20 = 3,364.88/x
  3. Step 3: Cross multiply
    7,064.40x = 10,589.20 × 3,364.88
  4. Step 4: Simplify right side
    7,064.40x = 35,631,387.30
  5. Step 5: Solve for x
    x = 35,631,387.30/7,064.40
  6. Step 6: Final answer
    x = 5,043.80

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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.