Home / 4,904.16-6,769.20-2,809.68

Finding the Fourth Proportional to 4,904.16, 6,769.20 and 2,809.68

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Solution

The fourth proportional to 4,904.16, 6,769.20 and 2,809.68 is: 3,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.16 : 6,769.20 = 2,809.68 : x
  2. Step 2: Convert to fraction form
    4,904.16/6,769.20 = 2,809.68/x
  3. Step 3: Cross multiply
    4,904.16x = 6,769.20 × 2,809.68
  4. Step 4: Simplify right side
    4,904.16x = 19,019,285.86
  5. Step 5: Solve for x
    x = 19,019,285.86/4,904.16
  6. Step 6: Final answer
    x = 3,878.19

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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.