Home / 6,636.04-9,157.47-3,910.55

Finding the Fourth Proportional to 6,636.04, 9,157.47 and 3,910.55

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Solution

The fourth proportional to 6,636.04, 9,157.47 and 3,910.55 is: 5,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.04 : 9,157.47 = 3,910.55 : x
  2. Step 2: Convert to fraction form
    6,636.04/9,157.47 = 3,910.55/x
  3. Step 3: Cross multiply
    6,636.04x = 9,157.47 × 3,910.55
  4. Step 4: Simplify right side
    6,636.04x = 35,810,683.86
  5. Step 5: Solve for x
    x = 35,810,683.86/6,636.04
  6. Step 6: Final answer
    x = 5,396.40

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Double scale
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Similar ratio
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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.