Home / 8,804.36-13,206.41-2,140.90

Finding the Fourth Proportional to 8,804.36, 13,206.41 and 2,140.90

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Solution

The fourth proportional to 8,804.36, 13,206.41 and 2,140.90 is: 3,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.36 : 13,206.41 = 2,140.90 : x
  2. Step 2: Convert to fraction form
    8,804.36/13,206.41 = 2,140.90/x
  3. Step 3: Cross multiply
    8,804.36x = 13,206.41 × 2,140.90
  4. Step 4: Simplify right side
    8,804.36x = 28,273,567.48
  5. Step 5: Solve for x
    x = 28,273,567.48/8,804.36
  6. Step 6: Final answer
    x = 3,211.31

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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.