Home / 6,630.29-9,149.64-3,605.34

Finding the Fourth Proportional to 6,630.29, 9,149.64 and 3,605.34

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Solution

The fourth proportional to 6,630.29, 9,149.64 and 3,605.34 is: 4,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.29 : 9,149.64 = 3,605.34 : x
  2. Step 2: Convert to fraction form
    6,630.29/9,149.64 = 3,605.34/x
  3. Step 3: Cross multiply
    6,630.29x = 9,149.64 × 3,605.34
  4. Step 4: Simplify right side
    6,630.29x = 32,987,583.87
  5. Step 5: Solve for x
    x = 32,987,583.87/6,630.29
  6. Step 6: Final answer
    x = 4,975.29

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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.