Home / 4,218.08-6,323.51-2,981.60

Finding the Fourth Proportional to 4,218.08, 6,323.51 and 2,981.60

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Solution

The fourth proportional to 4,218.08, 6,323.51 and 2,981.60 is: 4,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.08 : 6,323.51 = 2,981.60 : x
  2. Step 2: Convert to fraction form
    4,218.08/6,323.51 = 2,981.60/x
  3. Step 3: Cross multiply
    4,218.08x = 6,323.51 × 2,981.60
  4. Step 4: Simplify right side
    4,218.08x = 18,854,153.25
  5. Step 5: Solve for x
    x = 18,854,153.25/4,218.08
  6. Step 6: Final answer
    x = 4,469.85

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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.