Home / 7,137.06-10,698.30-3,620.58

Finding the Fourth Proportional to 7,137.06, 10,698.30 and 3,620.58

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Solution

The fourth proportional to 7,137.06, 10,698.30 and 3,620.58 is: 5,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.06 : 10,698.30 = 3,620.58 : x
  2. Step 2: Convert to fraction form
    7,137.06/10,698.30 = 3,620.58/x
  3. Step 3: Cross multiply
    7,137.06x = 10,698.30 × 3,620.58
  4. Step 4: Simplify right side
    7,137.06x = 38,734,051.01
  5. Step 5: Solve for x
    x = 38,734,051.01/7,137.06
  6. Step 6: Final answer
    x = 5,427.17

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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.