Home / 6,218.20-8,582.58-3,862.12

Finding the Fourth Proportional to 6,218.20, 8,582.58 and 3,862.12

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Solution

The fourth proportional to 6,218.20, 8,582.58 and 3,862.12 is: 5,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.20 : 8,582.58 = 3,862.12 : x
  2. Step 2: Convert to fraction form
    6,218.20/8,582.58 = 3,862.12/x
  3. Step 3: Cross multiply
    6,218.20x = 8,582.58 × 3,862.12
  4. Step 4: Simplify right side
    6,218.20x = 33,146,953.87
  5. Step 5: Solve for x
    x = 33,146,953.87/6,218.20
  6. Step 6: Final answer
    x = 5,330.63

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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.