Home / 8,784.38-13,176.41-2,210.57

Finding the Fourth Proportional to 8,784.38, 13,176.41 and 2,210.57

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Solution

The fourth proportional to 8,784.38, 13,176.41 and 2,210.57 is: 3,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.38 : 13,176.41 = 2,210.57 : x
  2. Step 2: Convert to fraction form
    8,784.38/13,176.41 = 2,210.57/x
  3. Step 3: Cross multiply
    8,784.38x = 13,176.41 × 2,210.57
  4. Step 4: Simplify right side
    8,784.38x = 29,127,299.72
  5. Step 5: Solve for x
    x = 29,127,299.72/8,784.38
  6. Step 6: Final answer
    x = 3,315.81

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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.