Home / 8,686.04-13,025.18-2,761.81

Finding the Fourth Proportional to 8,686.04, 13,025.18 and 2,761.81

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Solution

The fourth proportional to 8,686.04, 13,025.18 and 2,761.81 is: 4,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.04 : 13,025.18 = 2,761.81 : x
  2. Step 2: Convert to fraction form
    8,686.04/13,025.18 = 2,761.81/x
  3. Step 3: Cross multiply
    8,686.04x = 13,025.18 × 2,761.81
  4. Step 4: Simplify right side
    8,686.04x = 35,973,057.27
  5. Step 5: Solve for x
    x = 35,973,057.27/8,686.04
  6. Step 6: Final answer
    x = 4,141.48

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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.