Home / 6,369.13-9,554.55-1,987.03

Finding the Fourth Proportional to 6,369.13, 9,554.55 and 1,987.03

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Solution

The fourth proportional to 6,369.13, 9,554.55 and 1,987.03 is: 2,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369.13 : 9,554.55 = 1,987.03 : x
  2. Step 2: Convert to fraction form
    6,369.13/9,554.55 = 1,987.03/x
  3. Step 3: Cross multiply
    6,369.13x = 9,554.55 × 1,987.03
  4. Step 4: Simplify right side
    6,369.13x = 18,985,177.49
  5. Step 5: Solve for x
    x = 18,985,177.49/6,369.13
  6. Step 6: Final answer
    x = 2,980.81

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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.