Home / 4,935.74-6,810.99-2,811.00

Finding the Fourth Proportional to 4,935.74, 6,810.99 and 2,811.00

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Solution

The fourth proportional to 4,935.74, 6,810.99 and 2,811.00 is: 3,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.74 : 6,810.99 = 2,811.00 : x
  2. Step 2: Convert to fraction form
    4,935.74/6,810.99 = 2,811.00/x
  3. Step 3: Cross multiply
    4,935.74x = 6,810.99 × 2,811.00
  4. Step 4: Simplify right side
    4,935.74x = 19,145,707.89
  5. Step 5: Solve for x
    x = 19,145,707.89/4,935.74
  6. Step 6: Final answer
    x = 3,879.00

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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.