Home / 4,617.66-6,921.70-2,150.45

Finding the Fourth Proportional to 4,617.66, 6,921.70 and 2,150.45

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Solution

The fourth proportional to 4,617.66, 6,921.70 and 2,150.45 is: 3,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.66 : 6,921.70 = 2,150.45 : x
  2. Step 2: Convert to fraction form
    4,617.66/6,921.70 = 2,150.45/x
  3. Step 3: Cross multiply
    4,617.66x = 6,921.70 × 2,150.45
  4. Step 4: Simplify right side
    4,617.66x = 14,884,724.40
  5. Step 5: Solve for x
    x = 14,884,724.40/4,617.66
  6. Step 6: Final answer
    x = 3,223.44

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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.