Home / 4,614.63-6,921.87-2,148.06

Finding the Fourth Proportional to 4,614.63, 6,921.87 and 2,148.06

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Solution

The fourth proportional to 4,614.63, 6,921.87 and 2,148.06 is: 3,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.63 : 6,921.87 = 2,148.06 : x
  2. Step 2: Convert to fraction form
    4,614.63/6,921.87 = 2,148.06/x
  3. Step 3: Cross multiply
    4,614.63x = 6,921.87 × 2,148.06
  4. Step 4: Simplify right side
    4,614.63x = 14,868,592.07
  5. Step 5: Solve for x
    x = 14,868,592.07/4,614.63
  6. Step 6: Final answer
    x = 3,222.06

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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.