Home / 6,506.49-8,979-3,635.22

Finding the Fourth Proportional to 6,506.49, 8,979 and 3,635.22

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Solution

The fourth proportional to 6,506.49, 8,979 and 3,635.22 is: 5,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506.49 : 8,979 = 3,635.22 : x
  2. Step 2: Convert to fraction form
    6,506.49/8,979 = 3,635.22/x
  3. Step 3: Cross multiply
    6,506.49x = 8,979 × 3,635.22
  4. Step 4: Simplify right side
    6,506.49x = 32,640,640.38
  5. Step 5: Solve for x
    x = 32,640,640.38/6,506.49
  6. Step 6: Final answer
    x = 5,016.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.