Home / 4,391.96-6,612.82-3,875.36

Finding the Fourth Proportional to 4,391.96, 6,612.82 and 3,875.36

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Solution

The fourth proportional to 4,391.96, 6,612.82 and 3,875.36 is: 5,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.96 : 6,612.82 = 3,875.36 : x
  2. Step 2: Convert to fraction form
    4,391.96/6,612.82 = 3,875.36/x
  3. Step 3: Cross multiply
    4,391.96x = 6,612.82 × 3,875.36
  4. Step 4: Simplify right side
    4,391.96x = 25,627,058.12
  5. Step 5: Solve for x
    x = 25,627,058.12/4,391.96
  6. Step 6: Final answer
    x = 5,834.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.