Home / 4,816.20-6,646.03-2,720.19

Finding the Fourth Proportional to 4,816.20, 6,646.03 and 2,720.19

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Solution

The fourth proportional to 4,816.20, 6,646.03 and 2,720.19 is: 3,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.20 : 6,646.03 = 2,720.19 : x
  2. Step 2: Convert to fraction form
    4,816.20/6,646.03 = 2,720.19/x
  3. Step 3: Cross multiply
    4,816.20x = 6,646.03 × 2,720.19
  4. Step 4: Simplify right side
    4,816.20x = 18,078,464.35
  5. Step 5: Solve for x
    x = 18,078,464.35/4,816.20
  6. Step 6: Final answer
    x = 3,753.68

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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.