Home / 7,024.50-9,694.20-3,880.68

Finding the Fourth Proportional to 7,024.50, 9,694.20 and 3,880.68

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Solution

The fourth proportional to 7,024.50, 9,694.20 and 3,880.68 is: 5,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.50 : 9,694.20 = 3,880.68 : x
  2. Step 2: Convert to fraction form
    7,024.50/9,694.20 = 3,880.68/x
  3. Step 3: Cross multiply
    7,024.50x = 9,694.20 × 3,880.68
  4. Step 4: Simplify right side
    7,024.50x = 37,620,088.06
  5. Step 5: Solve for x
    x = 37,620,088.06/7,024.50
  6. Step 6: Final answer
    x = 5,355.55

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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.