Home / 4,222.08-6,337.44-2,557.80

Finding the Fourth Proportional to 4,222.08, 6,337.44 and 2,557.80

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Solution

The fourth proportional to 4,222.08, 6,337.44 and 2,557.80 is: 3,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.08 : 6,337.44 = 2,557.80 : x
  2. Step 2: Convert to fraction form
    4,222.08/6,337.44 = 2,557.80/x
  3. Step 3: Cross multiply
    4,222.08x = 6,337.44 × 2,557.80
  4. Step 4: Simplify right side
    4,222.08x = 16,209,904.03
  5. Step 5: Solve for x
    x = 16,209,904.03/4,222.08
  6. Step 6: Final answer
    x = 3,839.32

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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.