Home / 4,908.16-6,774.72-2,813.68

Finding the Fourth Proportional to 4,908.16, 6,774.72 and 2,813.68

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Solution

The fourth proportional to 4,908.16, 6,774.72 and 2,813.68 is: 3,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.16 : 6,774.72 = 2,813.68 : x
  2. Step 2: Convert to fraction form
    4,908.16/6,774.72 = 2,813.68/x
  3. Step 3: Cross multiply
    4,908.16x = 6,774.72 × 2,813.68
  4. Step 4: Simplify right side
    4,908.16x = 19,061,894.17
  5. Step 5: Solve for x
    x = 19,061,894.17/4,908.16
  6. Step 6: Final answer
    x = 3,883.71

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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.