Home / 6,218.91-8,582.06-3,386.21

Finding the Fourth Proportional to 6,218.91, 8,582.06 and 3,386.21

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Solution

The fourth proportional to 6,218.91, 8,582.06 and 3,386.21 is: 4,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.91 : 8,582.06 = 3,386.21 : x
  2. Step 2: Convert to fraction form
    6,218.91/8,582.06 = 3,386.21/x
  3. Step 3: Cross multiply
    6,218.91x = 8,582.06 × 3,386.21
  4. Step 4: Simplify right side
    6,218.91x = 29,060,622.95
  5. Step 5: Solve for x
    x = 29,060,622.95/6,218.91
  6. Step 6: Final answer
    x = 4,672.94

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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.