Home / 4,214.48-5,817.16-2,816.72

Finding the Fourth Proportional to 4,214.48, 5,817.16 and 2,816.72

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Solution

The fourth proportional to 4,214.48, 5,817.16 and 2,816.72 is: 3,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.48 : 5,817.16 = 2,816.72 : x
  2. Step 2: Convert to fraction form
    4,214.48/5,817.16 = 2,816.72/x
  3. Step 3: Cross multiply
    4,214.48x = 5,817.16 × 2,816.72
  4. Step 4: Simplify right side
    4,214.48x = 16,385,310.92
  5. Step 5: Solve for x
    x = 16,385,310.92/4,214.48
  6. Step 6: Final answer
    x = 3,887.86

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1.5x scale

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.