Home / 7,143.06-10,698.96-4,361.28

Finding the Fourth Proportional to 7,143.06, 10,698.96 and 4,361.28

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Solution

The fourth proportional to 7,143.06, 10,698.96 and 4,361.28 is: 6,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.06 : 10,698.96 = 4,361.28 : x
  2. Step 2: Convert to fraction form
    7,143.06/10,698.96 = 4,361.28/x
  3. Step 3: Cross multiply
    7,143.06x = 10,698.96 × 4,361.28
  4. Step 4: Simplify right side
    7,143.06x = 46,661,160.27
  5. Step 5: Solve for x
    x = 46,661,160.27/7,143.06
  6. Step 6: Final answer
    x = 6,532.38

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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.