Home / 5,536.21-7,639.91-3,018.31

Finding the Fourth Proportional to 5,536.21, 7,639.91 and 3,018.31

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Solution

The fourth proportional to 5,536.21, 7,639.91 and 3,018.31 is: 4,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.21 : 7,639.91 = 3,018.31 : x
  2. Step 2: Convert to fraction form
    5,536.21/7,639.91 = 3,018.31/x
  3. Step 3: Cross multiply
    5,536.21x = 7,639.91 × 3,018.31
  4. Step 4: Simplify right side
    5,536.21x = 23,059,643.40
  5. Step 5: Solve for x
    x = 23,059,643.40/5,536.21
  6. Step 6: Final answer
    x = 4,165.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.