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Finding the Fourth Proportional to 4,006.62, 6,009.84 and 1,813.76

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Solution

The fourth proportional to 4,006.62, 6,009.84 and 1,813.76 is: 2,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.62 : 6,009.84 = 1,813.76 : x
  2. Step 2: Convert to fraction form
    4,006.62/6,009.84 = 1,813.76/x
  3. Step 3: Cross multiply
    4,006.62x = 6,009.84 × 1,813.76
  4. Step 4: Simplify right side
    4,006.62x = 10,900,407.40
  5. Step 5: Solve for x
    x = 10,900,407.40/4,006.62
  6. Step 6: Final answer
    x = 2,720.60

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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.