Home / 8,846.35-12,205.75-5,698.75

Finding the Fourth Proportional to 8,846.35, 12,205.75 and 5,698.75

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Solution

The fourth proportional to 8,846.35, 12,205.75 and 5,698.75 is: 7,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.35 : 12,205.75 = 5,698.75 : x
  2. Step 2: Convert to fraction form
    8,846.35/12,205.75 = 5,698.75/x
  3. Step 3: Cross multiply
    8,846.35x = 12,205.75 × 5,698.75
  4. Step 4: Simplify right side
    8,846.35x = 69,557,517.81
  5. Step 5: Solve for x
    x = 69,557,517.81/8,846.35
  6. Step 6: Final answer
    x = 7,862.85

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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.