Home / 6,860.45-10,287.43-3,161.59

Finding the Fourth Proportional to 6,860.45, 10,287.43 and 3,161.59

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Solution

The fourth proportional to 6,860.45, 10,287.43 and 3,161.59 is: 4,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.45 : 10,287.43 = 3,161.59 : x
  2. Step 2: Convert to fraction form
    6,860.45/10,287.43 = 3,161.59/x
  3. Step 3: Cross multiply
    6,860.45x = 10,287.43 × 3,161.59
  4. Step 4: Simplify right side
    6,860.45x = 32,524,635.81
  5. Step 5: Solve for x
    x = 32,524,635.81/6,860.45
  6. Step 6: Final answer
    x = 4,740.89

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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.