Home / 6,504.49-9,752.69-2,121.31

Finding the Fourth Proportional to 6,504.49, 9,752.69 and 2,121.31

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Solution

The fourth proportional to 6,504.49, 9,752.69 and 2,121.31 is: 3,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.49 : 9,752.69 = 2,121.31 : x
  2. Step 2: Convert to fraction form
    6,504.49/9,752.69 = 2,121.31/x
  3. Step 3: Cross multiply
    6,504.49x = 9,752.69 × 2,121.31
  4. Step 4: Simplify right side
    6,504.49x = 20,688,468.22
  5. Step 5: Solve for x
    x = 20,688,468.22/6,504.49
  6. Step 6: Final answer
    x = 3,180.64

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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.