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Finding the Fourth Proportional to 4,579.86, 6,320.21 and 2,483.99

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Solution

The fourth proportional to 4,579.86, 6,320.21 and 2,483.99 is: 3,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.86 : 6,320.21 = 2,483.99 : x
  2. Step 2: Convert to fraction form
    4,579.86/6,320.21 = 2,483.99/x
  3. Step 3: Cross multiply
    4,579.86x = 6,320.21 × 2,483.99
  4. Step 4: Simplify right side
    4,579.86x = 15,699,294.42
  5. Step 5: Solve for x
    x = 15,699,294.42/4,579.86
  6. Step 6: Final answer
    x = 3,427.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.