Home / 4,820.24-7,231.26-1,898.30

Finding the Fourth Proportional to 4,820.24, 7,231.26 and 1,898.30

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Solution

The fourth proportional to 4,820.24, 7,231.26 and 1,898.30 is: 2,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.24 : 7,231.26 = 1,898.30 : x
  2. Step 2: Convert to fraction form
    4,820.24/7,231.26 = 1,898.30/x
  3. Step 3: Cross multiply
    4,820.24x = 7,231.26 × 1,898.30
  4. Step 4: Simplify right side
    4,820.24x = 13,727,100.86
  5. Step 5: Solve for x
    x = 13,727,100.86/4,820.24
  6. Step 6: Final answer
    x = 2,847.80

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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.