Home / 8,698.07-13,049.52-2,858.78

Finding the Fourth Proportional to 8,698.07, 13,049.52 and 2,858.78

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Solution

The fourth proportional to 8,698.07, 13,049.52 and 2,858.78 is: 4,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.07 : 13,049.52 = 2,858.78 : x
  2. Step 2: Convert to fraction form
    8,698.07/13,049.52 = 2,858.78/x
  3. Step 3: Cross multiply
    8,698.07x = 13,049.52 × 2,858.78
  4. Step 4: Simplify right side
    8,698.07x = 37,305,706.79
  5. Step 5: Solve for x
    x = 37,305,706.79/8,698.07
  6. Step 6: Final answer
    x = 4,288.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.