Home / 4,905.04-6,769.92-2,810.56

Finding the Fourth Proportional to 4,905.04, 6,769.92 and 2,810.56

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Solution

The fourth proportional to 4,905.04, 6,769.92 and 2,810.56 is: 3,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.04 : 6,769.92 = 2,810.56 : x
  2. Step 2: Convert to fraction form
    4,905.04/6,769.92 = 2,810.56/x
  3. Step 3: Cross multiply
    4,905.04x = 6,769.92 × 2,810.56
  4. Step 4: Simplify right side
    4,905.04x = 19,027,266.36
  5. Step 5: Solve for x
    x = 19,027,266.36/4,905.04
  6. Step 6: Final answer
    x = 3,879.13

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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.