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Finding the Fourth Proportional to 4,407.72, 6,611.94 and 1,810.68

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Solution

The fourth proportional to 4,407.72, 6,611.94 and 1,810.68 is: 2,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.72 : 6,611.94 = 1,810.68 : x
  2. Step 2: Convert to fraction form
    4,407.72/6,611.94 = 1,810.68/x
  3. Step 3: Cross multiply
    4,407.72x = 6,611.94 × 1,810.68
  4. Step 4: Simplify right side
    4,407.72x = 11,972,107.52
  5. Step 5: Solve for x
    x = 11,972,107.52/4,407.72
  6. Step 6: Final answer
    x = 2,716.17

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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.