Home / 4,945.40-6,822.68-2,956.04

Finding the Fourth Proportional to 4,945.40, 6,822.68 and 2,956.04

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Solution

The fourth proportional to 4,945.40, 6,822.68 and 2,956.04 is: 4,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.40 : 6,822.68 = 2,956.04 : x
  2. Step 2: Convert to fraction form
    4,945.40/6,822.68 = 2,956.04/x
  3. Step 3: Cross multiply
    4,945.40x = 6,822.68 × 2,956.04
  4. Step 4: Simplify right side
    4,945.40x = 20,168,114.99
  5. Step 5: Solve for x
    x = 20,168,114.99/4,945.40
  6. Step 6: Final answer
    x = 4,078.16

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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.