Home / 4,809.19-6,636.78-2,713.31

Finding the Fourth Proportional to 4,809.19, 6,636.78 and 2,713.31

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Solution

The fourth proportional to 4,809.19, 6,636.78 and 2,713.31 is: 3,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.19 : 6,636.78 = 2,713.31 : x
  2. Step 2: Convert to fraction form
    4,809.19/6,636.78 = 2,713.31/x
  3. Step 3: Cross multiply
    4,809.19x = 6,636.78 × 2,713.31
  4. Step 4: Simplify right side
    4,809.19x = 18,007,641.54
  5. Step 5: Solve for x
    x = 18,007,641.54/4,809.19
  6. Step 6: Final answer
    x = 3,744.42

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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.