Home / 8,961.27-13,421.41-4,284.57

Finding the Fourth Proportional to 8,961.27, 13,421.41 and 4,284.57

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Solution

The fourth proportional to 8,961.27, 13,421.41 and 4,284.57 is: 6,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.27 : 13,421.41 = 4,284.57 : x
  2. Step 2: Convert to fraction form
    8,961.27/13,421.41 = 4,284.57/x
  3. Step 3: Cross multiply
    8,961.27x = 13,421.41 × 4,284.57
  4. Step 4: Simplify right side
    8,961.27x = 57,504,970.64
  5. Step 5: Solve for x
    x = 57,504,970.64/8,961.27
  6. Step 6: Final answer
    x = 6,417.06

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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.