Home / 6,387.88-9,583.26-1,945.94

Finding the Fourth Proportional to 6,387.88, 9,583.26 and 1,945.94

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Solution

The fourth proportional to 6,387.88, 9,583.26 and 1,945.94 is: 2,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.88 : 9,583.26 = 1,945.94 : x
  2. Step 2: Convert to fraction form
    6,387.88/9,583.26 = 1,945.94/x
  3. Step 3: Cross multiply
    6,387.88x = 9,583.26 × 1,945.94
  4. Step 4: Simplify right side
    6,387.88x = 18,648,448.96
  5. Step 5: Solve for x
    x = 18,648,448.96/6,387.88
  6. Step 6: Final answer
    x = 2,919.35

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Double scale
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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.