Home / 8,669.10-13,003.38-2,825.58

Finding the Fourth Proportional to 8,669.10, 13,003.38 and 2,825.58

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Solution

The fourth proportional to 8,669.10, 13,003.38 and 2,825.58 is: 4,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.10 : 13,003.38 = 2,825.58 : x
  2. Step 2: Convert to fraction form
    8,669.10/13,003.38 = 2,825.58/x
  3. Step 3: Cross multiply
    8,669.10x = 13,003.38 × 2,825.58
  4. Step 4: Simplify right side
    8,669.10x = 36,742,090.46
  5. Step 5: Solve for x
    x = 36,742,090.46/8,669.10
  6. Step 6: Final answer
    x = 4,238.28

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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.