Home / 5,071.30-7,607.76-2,149.64

Finding the Fourth Proportional to 5,071.30, 7,607.76 and 2,149.64

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Solution

The fourth proportional to 5,071.30, 7,607.76 and 2,149.64 is: 3,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.30 : 7,607.76 = 2,149.64 : x
  2. Step 2: Convert to fraction form
    5,071.30/7,607.76 = 2,149.64/x
  3. Step 3: Cross multiply
    5,071.30x = 7,607.76 × 2,149.64
  4. Step 4: Simplify right side
    5,071.30x = 16,353,945.21
  5. Step 5: Solve for x
    x = 16,353,945.21/5,071.30
  6. Step 6: Final answer
    x = 3,224.80

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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.