Home / 6,606.68-9,117.20-3,622.60

Finding the Fourth Proportional to 6,606.68, 9,117.20 and 3,622.60

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Solution

The fourth proportional to 6,606.68, 9,117.20 and 3,622.60 is: 4,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.68 : 9,117.20 = 3,622.60 : x
  2. Step 2: Convert to fraction form
    6,606.68/9,117.20 = 3,622.60/x
  3. Step 3: Cross multiply
    6,606.68x = 9,117.20 × 3,622.60
  4. Step 4: Simplify right side
    6,606.68x = 33,027,968.72
  5. Step 5: Solve for x
    x = 33,027,968.72/6,606.68
  6. Step 6: Final answer
    x = 4,999.18

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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.