Home / 6,117.79-9,177.82-2,830.88

Finding the Fourth Proportional to 6,117.79, 9,177.82 and 2,830.88

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Solution

The fourth proportional to 6,117.79, 9,177.82 and 2,830.88 is: 4,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.79 : 9,177.82 = 2,830.88 : x
  2. Step 2: Convert to fraction form
    6,117.79/9,177.82 = 2,830.88/x
  3. Step 3: Cross multiply
    6,117.79x = 9,177.82 × 2,830.88
  4. Step 4: Simplify right side
    6,117.79x = 25,981,261.19
  5. Step 5: Solve for x
    x = 25,981,261.19/6,117.79
  6. Step 6: Final answer
    x = 4,246.84

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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.