Home / 4,179.78-6,225.93-3,990.24

Finding the Fourth Proportional to 4,179.78, 6,225.93 and 3,990.24

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Solution

The fourth proportional to 4,179.78, 6,225.93 and 3,990.24 is: 5,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.78 : 6,225.93 = 3,990.24 : x
  2. Step 2: Convert to fraction form
    4,179.78/6,225.93 = 3,990.24/x
  3. Step 3: Cross multiply
    4,179.78x = 6,225.93 × 3,990.24
  4. Step 4: Simplify right side
    4,179.78x = 24,842,954.92
  5. Step 5: Solve for x
    x = 24,842,954.92/4,179.78
  6. Step 6: Final answer
    x = 5,943.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.