Home / 4,811.07-6,638.99-2,794.32

Finding the Fourth Proportional to 4,811.07, 6,638.99 and 2,794.32

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Solution

The fourth proportional to 4,811.07, 6,638.99 and 2,794.32 is: 3,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.07 : 6,638.99 = 2,794.32 : x
  2. Step 2: Convert to fraction form
    4,811.07/6,638.99 = 2,794.32/x
  3. Step 3: Cross multiply
    4,811.07x = 6,638.99 × 2,794.32
  4. Step 4: Simplify right side
    4,811.07x = 18,551,448.57
  5. Step 5: Solve for x
    x = 18,551,448.57/4,811.07
  6. Step 6: Final answer
    x = 3,855.99

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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.