Home / 8,855.25-13,284.63-2,615.37

Finding the Fourth Proportional to 8,855.25, 13,284.63 and 2,615.37

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Solution

The fourth proportional to 8,855.25, 13,284.63 and 2,615.37 is: 3,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.25 : 13,284.63 = 2,615.37 : x
  2. Step 2: Convert to fraction form
    8,855.25/13,284.63 = 2,615.37/x
  3. Step 3: Cross multiply
    8,855.25x = 13,284.63 × 2,615.37
  4. Step 4: Simplify right side
    8,855.25x = 34,744,222.76
  5. Step 5: Solve for x
    x = 34,744,222.76/8,855.25
  6. Step 6: Final answer
    x = 3,923.57

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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.