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Finding the Fourth Proportional to 6,818, 9,407.22 and 3,833.24

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Solution

The fourth proportional to 6,818, 9,407.22 and 3,833.24 is: 5,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818 : 9,407.22 = 3,833.24 : x
  2. Step 2: Convert to fraction form
    6,818/9,407.22 = 3,833.24/x
  3. Step 3: Cross multiply
    6,818x = 9,407.22 × 3,833.24
  4. Step 4: Simplify right side
    6,818x = 36,060,131.99
  5. Step 5: Solve for x
    x = 36,060,131.99/6,818
  6. Step 6: Final answer
    x = 5,288.96

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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.