Home / 6,630.29-9,149.63-3,605.33

Finding the Fourth Proportional to 6,630.29, 9,149.63 and 3,605.33

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Solution

The fourth proportional to 6,630.29, 9,149.63 and 3,605.33 is: 4,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.29 : 9,149.63 = 3,605.33 : x
  2. Step 2: Convert to fraction form
    6,630.29/9,149.63 = 3,605.33/x
  3. Step 3: Cross multiply
    6,630.29x = 9,149.63 × 3,605.33
  4. Step 4: Simplify right side
    6,630.29x = 32,987,388.91
  5. Step 5: Solve for x
    x = 32,987,388.91/6,630.29
  6. Step 6: Final answer
    x = 4,975.26

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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.