Home / 6,627.24-9,940.36-4,781.68

Finding the Fourth Proportional to 6,627.24, 9,940.36 and 4,781.68

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Solution

The fourth proportional to 6,627.24, 9,940.36 and 4,781.68 is: 7,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.24 : 9,940.36 = 4,781.68 : x
  2. Step 2: Convert to fraction form
    6,627.24/9,940.36 = 4,781.68/x
  3. Step 3: Cross multiply
    6,627.24x = 9,940.36 × 4,781.68
  4. Step 4: Simplify right side
    6,627.24x = 47,531,620.60
  5. Step 5: Solve for x
    x = 47,531,620.60/6,627.24
  6. Step 6: Final answer
    x = 7,172.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.