Home / 4,367.78-6,551.50-1,080.80

Finding the Fourth Proportional to 4,367.78, 6,551.50 and 1,080.80

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Solution

The fourth proportional to 4,367.78, 6,551.50 and 1,080.80 is: 1,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,367.78 : 6,551.50 = 1,080.80 : x
  2. Step 2: Convert to fraction form
    4,367.78/6,551.50 = 1,080.80/x
  3. Step 3: Cross multiply
    4,367.78x = 6,551.50 × 1,080.80
  4. Step 4: Simplify right side
    4,367.78x = 7,080,861.20
  5. Step 5: Solve for x
    x = 7,080,861.20/4,367.78
  6. Step 6: Final answer
    x = 1,621.16

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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.