Home / 4,756.98-7,136.34-1,982.28

Finding the Fourth Proportional to 4,756.98, 7,136.34 and 1,982.28

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Solution

The fourth proportional to 4,756.98, 7,136.34 and 1,982.28 is: 2,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.98 : 7,136.34 = 1,982.28 : x
  2. Step 2: Convert to fraction form
    4,756.98/7,136.34 = 1,982.28/x
  3. Step 3: Cross multiply
    4,756.98x = 7,136.34 × 1,982.28
  4. Step 4: Simplify right side
    4,756.98x = 14,146,224.06
  5. Step 5: Solve for x
    x = 14,146,224.06/4,756.98
  6. Step 6: Final answer
    x = 2,973.78

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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.