Home / 5,235.43-7,859.81-3,394.25

Finding the Fourth Proportional to 5,235.43, 7,859.81 and 3,394.25

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Solution

The fourth proportional to 5,235.43, 7,859.81 and 3,394.25 is: 5,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.43 : 7,859.81 = 3,394.25 : x
  2. Step 2: Convert to fraction form
    5,235.43/7,859.81 = 3,394.25/x
  3. Step 3: Cross multiply
    5,235.43x = 7,859.81 × 3,394.25
  4. Step 4: Simplify right side
    5,235.43x = 26,678,160.09
  5. Step 5: Solve for x
    x = 26,678,160.09/5,235.43
  6. Step 6: Final answer
    x = 5,095.70

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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.