Home / 5,698.38-7,863.71-3,340.07

Finding the Fourth Proportional to 5,698.38, 7,863.71 and 3,340.07

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Solution

The fourth proportional to 5,698.38, 7,863.71 and 3,340.07 is: 4,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.38 : 7,863.71 = 3,340.07 : x
  2. Step 2: Convert to fraction form
    5,698.38/7,863.71 = 3,340.07/x
  3. Step 3: Cross multiply
    5,698.38x = 7,863.71 × 3,340.07
  4. Step 4: Simplify right side
    5,698.38x = 26,265,285.84
  5. Step 5: Solve for x
    x = 26,265,285.84/5,698.38
  6. Step 6: Final answer
    x = 4,609.25

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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.