Home / 6,369.23-9,553.85-1,987.03

Finding the Fourth Proportional to 6,369.23, 9,553.85 and 1,987.03

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Solution

The fourth proportional to 6,369.23, 9,553.85 and 1,987.03 is: 2,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.23 : 9,553.85 = 1,987.03 : x
  2. Step 2: Convert to fraction form
    6,369.23/9,553.85 = 1,987.03/x
  3. Step 3: Cross multiply
    6,369.23x = 9,553.85 × 1,987.03
  4. Step 4: Simplify right side
    6,369.23x = 18,983,796.02
  5. Step 5: Solve for x
    x = 18,983,796.02/6,369.23
  6. Step 6: Final answer
    x = 2,980.55

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Similar ratio
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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.