Home / 4,287.20-5,914.08-3,491.43

Finding the Fourth Proportional to 4,287.20, 5,914.08 and 3,491.43

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Solution

The fourth proportional to 4,287.20, 5,914.08 and 3,491.43 is: 4,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.20 : 5,914.08 = 3,491.43 : x
  2. Step 2: Convert to fraction form
    4,287.20/5,914.08 = 3,491.43/x
  3. Step 3: Cross multiply
    4,287.20x = 5,914.08 × 3,491.43
  4. Step 4: Simplify right side
    4,287.20x = 20,648,596.33
  5. Step 5: Solve for x
    x = 20,648,596.33/4,287.20
  6. Step 6: Final answer
    x = 4,816.34

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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.