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Finding the Fourth Proportional to 4,608.33, 6,913.89 and 1,646.39

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Solution

The fourth proportional to 4,608.33, 6,913.89 and 1,646.39 is: 2,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.33 : 6,913.89 = 1,646.39 : x
  2. Step 2: Convert to fraction form
    4,608.33/6,913.89 = 1,646.39/x
  3. Step 3: Cross multiply
    4,608.33x = 6,913.89 × 1,646.39
  4. Step 4: Simplify right side
    4,608.33x = 11,382,924.79
  5. Step 5: Solve for x
    x = 11,382,924.79/4,608.33
  6. Step 6: Final answer
    x = 2,470.08

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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.