Home / 7,150.44-10,721.64-2,985.96

Finding the Fourth Proportional to 7,150.44, 10,721.64 and 2,985.96

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Solution

The fourth proportional to 7,150.44, 10,721.64 and 2,985.96 is: 4,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.44 : 10,721.64 = 2,985.96 : x
  2. Step 2: Convert to fraction form
    7,150.44/10,721.64 = 2,985.96/x
  3. Step 3: Cross multiply
    7,150.44x = 10,721.64 × 2,985.96
  4. Step 4: Simplify right side
    7,150.44x = 32,014,388.17
  5. Step 5: Solve for x
    x = 32,014,388.17/7,150.44
  6. Step 6: Final answer
    x = 4,477.26

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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.