Home / 4,218.96-5,814.36-3,285.84

Finding the Fourth Proportional to 4,218.96, 5,814.36 and 3,285.84

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Solution

The fourth proportional to 4,218.96, 5,814.36 and 3,285.84 is: 4,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.96 : 5,814.36 = 3,285.84 : x
  2. Step 2: Convert to fraction form
    4,218.96/5,814.36 = 3,285.84/x
  3. Step 3: Cross multiply
    4,218.96x = 5,814.36 × 3,285.84
  4. Step 4: Simplify right side
    4,218.96x = 19,105,056.66
  5. Step 5: Solve for x
    x = 19,105,056.66/4,218.96
  6. Step 6: Final answer
    x = 4,528.38

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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.