Home / 6,613.95-9,921.75-2,917.11

Finding the Fourth Proportional to 6,613.95, 9,921.75 and 2,917.11

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Solution

The fourth proportional to 6,613.95, 9,921.75 and 2,917.11 is: 4,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.95 : 9,921.75 = 2,917.11 : x
  2. Step 2: Convert to fraction form
    6,613.95/9,921.75 = 2,917.11/x
  3. Step 3: Cross multiply
    6,613.95x = 9,921.75 × 2,917.11
  4. Step 4: Simplify right side
    6,613.95x = 28,942,836.14
  5. Step 5: Solve for x
    x = 28,942,836.14/6,613.95
  6. Step 6: Final answer
    x = 4,376.03

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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.