Home / 4,908.89-6,774.14-2,812.88

Finding the Fourth Proportional to 4,908.89, 6,774.14 and 2,812.88

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Solution

The fourth proportional to 4,908.89, 6,774.14 and 2,812.88 is: 3,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.89 : 6,774.14 = 2,812.88 : x
  2. Step 2: Convert to fraction form
    4,908.89/6,774.14 = 2,812.88/x
  3. Step 3: Cross multiply
    4,908.89x = 6,774.14 × 2,812.88
  4. Step 4: Simplify right side
    4,908.89x = 19,054,809.05
  5. Step 5: Solve for x
    x = 19,054,809.05/4,908.89
  6. Step 6: Final answer
    x = 3,881.70

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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.