Home / 4,334.04-5,979.42-3,915

Finding the Fourth Proportional to 4,334.04, 5,979.42 and 3,915

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Solution

The fourth proportional to 4,334.04, 5,979.42 and 3,915 is: 5,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,334.04 : 5,979.42 = 3,915 : x
  2. Step 2: Convert to fraction form
    4,334.04/5,979.42 = 3,915/x
  3. Step 3: Cross multiply
    4,334.04x = 5,979.42 × 3,915
  4. Step 4: Simplify right side
    4,334.04x = 23,409,429.30
  5. Step 5: Solve for x
    x = 23,409,429.30/4,334.04
  6. Step 6: Final answer
    x = 5,401.30

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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.