Home / 4,820.56-7,231.12-1,898.08

Finding the Fourth Proportional to 4,820.56, 7,231.12 and 1,898.08

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Solution

The fourth proportional to 4,820.56, 7,231.12 and 1,898.08 is: 2,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.56 : 7,231.12 = 1,898.08 : x
  2. Step 2: Convert to fraction form
    4,820.56/7,231.12 = 1,898.08/x
  3. Step 3: Cross multiply
    4,820.56x = 7,231.12 × 1,898.08
  4. Step 4: Simplify right side
    4,820.56x = 13,725,244.25
  5. Step 5: Solve for x
    x = 13,725,244.25/4,820.56
  6. Step 6: Final answer
    x = 2,847.23

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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.