Home / 4,615.80-6,921.46-2,150.04

Finding the Fourth Proportional to 4,615.80, 6,921.46 and 2,150.04

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Solution

The fourth proportional to 4,615.80, 6,921.46 and 2,150.04 is: 3,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.80 : 6,921.46 = 2,150.04 : x
  2. Step 2: Convert to fraction form
    4,615.80/6,921.46 = 2,150.04/x
  3. Step 3: Cross multiply
    4,615.80x = 6,921.46 × 2,150.04
  4. Step 4: Simplify right side
    4,615.80x = 14,881,415.86
  5. Step 5: Solve for x
    x = 14,881,415.86/4,615.80
  6. Step 6: Final answer
    x = 3,224.02

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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.