Home / 5,225.52-7,840.26-3,147

Finding the Fourth Proportional to 5,225.52, 7,840.26 and 3,147

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Solution

The fourth proportional to 5,225.52, 7,840.26 and 3,147 is: 4,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.52 : 7,840.26 = 3,147 : x
  2. Step 2: Convert to fraction form
    5,225.52/7,840.26 = 3,147/x
  3. Step 3: Cross multiply
    5,225.52x = 7,840.26 × 3,147
  4. Step 4: Simplify right side
    5,225.52x = 24,673,298.22
  5. Step 5: Solve for x
    x = 24,673,298.22/5,225.52
  6. Step 6: Final answer
    x = 4,721.69

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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.