Home / 4,945.16-6,820.44-3,176.90

Finding the Fourth Proportional to 4,945.16, 6,820.44 and 3,176.90

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Solution

The fourth proportional to 4,945.16, 6,820.44 and 3,176.90 is: 4,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.16 : 6,820.44 = 3,176.90 : x
  2. Step 2: Convert to fraction form
    4,945.16/6,820.44 = 3,176.90/x
  3. Step 3: Cross multiply
    4,945.16x = 6,820.44 × 3,176.90
  4. Step 4: Simplify right side
    4,945.16x = 21,667,855.84
  5. Step 5: Solve for x
    x = 21,667,855.84/4,945.16
  6. Step 6: Final answer
    x = 4,381.63

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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.