Home / 4,222.59-5,827.64-3,172.83

Finding the Fourth Proportional to 4,222.59, 5,827.64 and 3,172.83

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Solution

The fourth proportional to 4,222.59, 5,827.64 and 3,172.83 is: 4,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.59 : 5,827.64 = 3,172.83 : x
  2. Step 2: Convert to fraction form
    4,222.59/5,827.64 = 3,172.83/x
  3. Step 3: Cross multiply
    4,222.59x = 5,827.64 × 3,172.83
  4. Step 4: Simplify right side
    4,222.59x = 18,490,066.02
  5. Step 5: Solve for x
    x = 18,490,066.02/4,222.59
  6. Step 6: Final answer
    x = 4,378.85

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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.