Home / 4,909.11-6,771.42-2,918.19

Finding the Fourth Proportional to 4,909.11, 6,771.42 and 2,918.19

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Solution

The fourth proportional to 4,909.11, 6,771.42 and 2,918.19 is: 4,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.11 : 6,771.42 = 2,918.19 : x
  2. Step 2: Convert to fraction form
    4,909.11/6,771.42 = 2,918.19/x
  3. Step 3: Cross multiply
    4,909.11x = 6,771.42 × 2,918.19
  4. Step 4: Simplify right side
    4,909.11x = 19,760,290.13
  5. Step 5: Solve for x
    x = 19,760,290.13/4,909.11
  6. Step 6: Final answer
    x = 4,025.23

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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.