Home / 6,940.46-10,410.51-3,240.65

Finding the Fourth Proportional to 6,940.46, 10,410.51 and 3,240.65

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Solution

The fourth proportional to 6,940.46, 10,410.51 and 3,240.65 is: 4,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.46 : 10,410.51 = 3,240.65 : x
  2. Step 2: Convert to fraction form
    6,940.46/10,410.51 = 3,240.65/x
  3. Step 3: Cross multiply
    6,940.46x = 10,410.51 × 3,240.65
  4. Step 4: Simplify right side
    6,940.46x = 33,736,819.23
  5. Step 5: Solve for x
    x = 33,736,819.23/6,940.46
  6. Step 6: Final answer
    x = 4,860.89

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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.