Home / 6,740.99-10,161.96-6,289.41

Finding the Fourth Proportional to 6,740.99, 10,161.96 and 6,289.41

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Solution

The fourth proportional to 6,740.99, 10,161.96 and 6,289.41 is: 9,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.99 : 10,161.96 = 6,289.41 : x
  2. Step 2: Convert to fraction form
    6,740.99/10,161.96 = 6,289.41/x
  3. Step 3: Cross multiply
    6,740.99x = 10,161.96 × 6,289.41
  4. Step 4: Simplify right side
    6,740.99x = 63,912,732.84
  5. Step 5: Solve for x
    x = 63,912,732.84/6,740.99
  6. Step 6: Final answer
    x = 9,481.22

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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.