Home / 4,985.53-7,481.75-1,983.26

Finding the Fourth Proportional to 4,985.53, 7,481.75 and 1,983.26

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Solution

The fourth proportional to 4,985.53, 7,481.75 and 1,983.26 is: 2,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.53 : 7,481.75 = 1,983.26 : x
  2. Step 2: Convert to fraction form
    4,985.53/7,481.75 = 1,983.26/x
  3. Step 3: Cross multiply
    4,985.53x = 7,481.75 × 1,983.26
  4. Step 4: Simplify right side
    4,985.53x = 14,838,245.59
  5. Step 5: Solve for x
    x = 14,838,245.59/4,985.53
  6. Step 6: Final answer
    x = 2,976.26

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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.