Home / 4,214.04-5,815.80-2,892.12

Finding the Fourth Proportional to 4,214.04, 5,815.80 and 2,892.12

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Solution

The fourth proportional to 4,214.04, 5,815.80 and 2,892.12 is: 3,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.04 : 5,815.80 = 2,892.12 : x
  2. Step 2: Convert to fraction form
    4,214.04/5,815.80 = 2,892.12/x
  3. Step 3: Cross multiply
    4,214.04x = 5,815.80 × 2,892.12
  4. Step 4: Simplify right side
    4,214.04x = 16,819,991.50
  5. Step 5: Solve for x
    x = 16,819,991.50/4,214.04
  6. Step 6: Final answer
    x = 3,991.42

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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.