Home / 6,389.96-9,584.94-1,947.66

Finding the Fourth Proportional to 6,389.96, 9,584.94 and 1,947.66

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Solution

The fourth proportional to 6,389.96, 9,584.94 and 1,947.66 is: 2,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.96 : 9,584.94 = 1,947.66 : x
  2. Step 2: Convert to fraction form
    6,389.96/9,584.94 = 1,947.66/x
  3. Step 3: Cross multiply
    6,389.96x = 9,584.94 × 1,947.66
  4. Step 4: Simplify right side
    6,389.96x = 18,668,204.24
  5. Step 5: Solve for x
    x = 18,668,204.24/6,389.96
  6. Step 6: Final answer
    x = 2,921.49

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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.