Home / 4,916.86-7,373.70-1,629.20

Finding the Fourth Proportional to 4,916.86, 7,373.70 and 1,629.20

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Solution

The fourth proportional to 4,916.86, 7,373.70 and 1,629.20 is: 2,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.86 : 7,373.70 = 1,629.20 : x
  2. Step 2: Convert to fraction form
    4,916.86/7,373.70 = 1,629.20/x
  3. Step 3: Cross multiply
    4,916.86x = 7,373.70 × 1,629.20
  4. Step 4: Simplify right side
    4,916.86x = 12,013,232.04
  5. Step 5: Solve for x
    x = 12,013,232.04/4,916.86
  6. Step 6: Final answer
    x = 2,443.27

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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.