Home / 4,911.28-6,777.12-2,894.38

Finding the Fourth Proportional to 4,911.28, 6,777.12 and 2,894.38

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Solution

The fourth proportional to 4,911.28, 6,777.12 and 2,894.38 is: 3,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.28 : 6,777.12 = 2,894.38 : x
  2. Step 2: Convert to fraction form
    4,911.28/6,777.12 = 2,894.38/x
  3. Step 3: Cross multiply
    4,911.28x = 6,777.12 × 2,894.38
  4. Step 4: Simplify right side
    4,911.28x = 19,615,560.59
  5. Step 5: Solve for x
    x = 19,615,560.59/4,911.28
  6. Step 6: Final answer
    x = 3,993.98

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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.