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Finding the Fourth Proportional to 4,495.61, 6,743.41 and 1,208.71

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Solution

The fourth proportional to 4,495.61, 6,743.41 and 1,208.71 is: 1,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,495.61 : 6,743.41 = 1,208.71 : x
  2. Step 2: Convert to fraction form
    4,495.61/6,743.41 = 1,208.71/x
  3. Step 3: Cross multiply
    4,495.61x = 6,743.41 × 1,208.71
  4. Step 4: Simplify right side
    4,495.61x = 8,150,790.36
  5. Step 5: Solve for x
    x = 8,150,790.36/4,495.61
  6. Step 6: Final answer
    x = 1,813.05

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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.