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Finding the Fourth Proportional to 4,646, 6,411.49 and 2,550.12

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Solution

The fourth proportional to 4,646, 6,411.49 and 2,550.12 is: 3,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646 : 6,411.49 = 2,550.12 : x
  2. Step 2: Convert to fraction form
    4,646/6,411.49 = 2,550.12/x
  3. Step 3: Cross multiply
    4,646x = 6,411.49 × 2,550.12
  4. Step 4: Simplify right side
    4,646x = 16,350,068.88
  5. Step 5: Solve for x
    x = 16,350,068.88/4,646
  6. Step 6: Final answer
    x = 3,519.17

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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.