Home / 4,902.62-7,351.80-1,781.59

Finding the Fourth Proportional to 4,902.62, 7,351.80 and 1,781.59

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Solution

The fourth proportional to 4,902.62, 7,351.80 and 1,781.59 is: 2,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.62 : 7,351.80 = 1,781.59 : x
  2. Step 2: Convert to fraction form
    4,902.62/7,351.80 = 1,781.59/x
  3. Step 3: Cross multiply
    4,902.62x = 7,351.80 × 1,781.59
  4. Step 4: Simplify right side
    4,902.62x = 13,097,893.36
  5. Step 5: Solve for x
    x = 13,097,893.36/4,902.62
  6. Step 6: Final answer
    x = 2,671.61

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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.