Home / 4,905.13-6,769.14-2,809.25

Finding the Fourth Proportional to 4,905.13, 6,769.14 and 2,809.25

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Solution

The fourth proportional to 4,905.13, 6,769.14 and 2,809.25 is: 3,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.13 : 6,769.14 = 2,809.25 : x
  2. Step 2: Convert to fraction form
    4,905.13/6,769.14 = 2,809.25/x
  3. Step 3: Cross multiply
    4,905.13x = 6,769.14 × 2,809.25
  4. Step 4: Simplify right side
    4,905.13x = 19,016,206.55
  5. Step 5: Solve for x
    x = 19,016,206.55/4,905.13
  6. Step 6: Final answer
    x = 3,876.80

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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.