Home / 6,189.30-8,541.20-3,356.66

Finding the Fourth Proportional to 6,189.30, 8,541.20 and 3,356.66

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Solution

The fourth proportional to 6,189.30, 8,541.20 and 3,356.66 is: 4,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.30 : 8,541.20 = 3,356.66 : x
  2. Step 2: Convert to fraction form
    6,189.30/8,541.20 = 3,356.66/x
  3. Step 3: Cross multiply
    6,189.30x = 8,541.20 × 3,356.66
  4. Step 4: Simplify right side
    6,189.30x = 28,669,934.14
  5. Step 5: Solve for x
    x = 28,669,934.14/6,189.30
  6. Step 6: Final answer
    x = 4,632.18

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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.