Home / 6,858.20-10,287.30-4,233.80

Finding the Fourth Proportional to 6,858.20, 10,287.30 and 4,233.80

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Solution

The fourth proportional to 6,858.20, 10,287.30 and 4,233.80 is: 6,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.20 : 10,287.30 = 4,233.80 : x
  2. Step 2: Convert to fraction form
    6,858.20/10,287.30 = 4,233.80/x
  3. Step 3: Cross multiply
    6,858.20x = 10,287.30 × 4,233.80
  4. Step 4: Simplify right side
    6,858.20x = 43,554,370.74
  5. Step 5: Solve for x
    x = 43,554,370.74/6,858.20
  6. Step 6: Final answer
    x = 6,350.70

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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.