Home / 4,911.25-6,777.54-2,816.77

Finding the Fourth Proportional to 4,911.25, 6,777.54 and 2,816.77

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Solution

The fourth proportional to 4,911.25, 6,777.54 and 2,816.77 is: 3,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.25 : 6,777.54 = 2,816.77 : x
  2. Step 2: Convert to fraction form
    4,911.25/6,777.54 = 2,816.77/x
  3. Step 3: Cross multiply
    4,911.25x = 6,777.54 × 2,816.77
  4. Step 4: Simplify right side
    4,911.25x = 19,090,771.35
  5. Step 5: Solve for x
    x = 19,090,771.35/4,911.25
  6. Step 6: Final answer
    x = 3,887.15

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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.