Home / 4,678.48-7,014.20-2,829.21

Finding the Fourth Proportional to 4,678.48, 7,014.20 and 2,829.21

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Solution

The fourth proportional to 4,678.48, 7,014.20 and 2,829.21 is: 4,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.48 : 7,014.20 = 2,829.21 : x
  2. Step 2: Convert to fraction form
    4,678.48/7,014.20 = 2,829.21/x
  3. Step 3: Cross multiply
    4,678.48x = 7,014.20 × 2,829.21
  4. Step 4: Simplify right side
    4,678.48x = 19,844,644.78
  5. Step 5: Solve for x
    x = 19,844,644.78/4,678.48
  6. Step 6: Final answer
    x = 4,241.69

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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.