Home / 4,623.05-6,380.99-2,853.63

Finding the Fourth Proportional to 4,623.05, 6,380.99 and 2,853.63

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Solution

The fourth proportional to 4,623.05, 6,380.99 and 2,853.63 is: 3,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.05 : 6,380.99 = 2,853.63 : x
  2. Step 2: Convert to fraction form
    4,623.05/6,380.99 = 2,853.63/x
  3. Step 3: Cross multiply
    4,623.05x = 6,380.99 × 2,853.63
  4. Step 4: Simplify right side
    4,623.05x = 18,209,004.86
  5. Step 5: Solve for x
    x = 18,209,004.86/4,623.05
  6. Step 6: Final answer
    x = 3,938.75

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Half scale
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Double scale
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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.