Home / 6,614.60-9,128.16-3,630.62

Finding the Fourth Proportional to 6,614.60, 9,128.16 and 3,630.62

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Solution

The fourth proportional to 6,614.60, 9,128.16 and 3,630.62 is: 5,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.60 : 9,128.16 = 3,630.62 : x
  2. Step 2: Convert to fraction form
    6,614.60/9,128.16 = 3,630.62/x
  3. Step 3: Cross multiply
    6,614.60x = 9,128.16 × 3,630.62
  4. Step 4: Simplify right side
    6,614.60x = 33,140,880.26
  5. Step 5: Solve for x
    x = 33,140,880.26/6,614.60
  6. Step 6: Final answer
    x = 5,010.26

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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.