Home / 4,934.80-6,810.56-2,811.08

Finding the Fourth Proportional to 4,934.80, 6,810.56 and 2,811.08

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Solution

The fourth proportional to 4,934.80, 6,810.56 and 2,811.08 is: 3,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.80 : 6,810.56 = 2,811.08 : x
  2. Step 2: Convert to fraction form
    4,934.80/6,810.56 = 2,811.08/x
  3. Step 3: Cross multiply
    4,934.80x = 6,810.56 × 2,811.08
  4. Step 4: Simplify right side
    4,934.80x = 19,145,029.00
  5. Step 5: Solve for x
    x = 19,145,029.00/4,934.80
  6. Step 6: Final answer
    x = 3,879.60

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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.