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Finding the Fourth Proportional to 4,998.05, 6,899.36 and 3,409.94

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Solution

The fourth proportional to 4,998.05, 6,899.36 and 3,409.94 is: 4,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.05 : 6,899.36 = 3,409.94 : x
  2. Step 2: Convert to fraction form
    4,998.05/6,899.36 = 3,409.94/x
  3. Step 3: Cross multiply
    4,998.05x = 6,899.36 × 3,409.94
  4. Step 4: Simplify right side
    4,998.05x = 23,526,352.09
  5. Step 5: Solve for x
    x = 23,526,352.09/4,998.05
  6. Step 6: Final answer
    x = 4,707.11

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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.