Home / 7,389.98-10,194.20-4,996.80

Finding the Fourth Proportional to 7,389.98, 10,194.20 and 4,996.80

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Solution

The fourth proportional to 7,389.98, 10,194.20 and 4,996.80 is: 6,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.98 : 10,194.20 = 4,996.80 : x
  2. Step 2: Convert to fraction form
    7,389.98/10,194.20 = 4,996.80/x
  3. Step 3: Cross multiply
    7,389.98x = 10,194.20 × 4,996.80
  4. Step 4: Simplify right side
    7,389.98x = 50,938,372.31
  5. Step 5: Solve for x
    x = 50,938,372.31/7,389.98
  6. Step 6: Final answer
    x = 6,892.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.