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Finding the Fourth Proportional to 6,893.76, 10,340.62 and 2,276.76

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Solution

The fourth proportional to 6,893.76, 10,340.62 and 2,276.76 is: 3,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.76 : 10,340.62 = 2,276.76 : x
  2. Step 2: Convert to fraction form
    6,893.76/10,340.62 = 2,276.76/x
  3. Step 3: Cross multiply
    6,893.76x = 10,340.62 × 2,276.76
  4. Step 4: Simplify right side
    6,893.76x = 23,543,109.99
  5. Step 5: Solve for x
    x = 23,543,109.99/6,893.76
  6. Step 6: Final answer
    x = 3,415.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.