Home / 4,869.92-7,299.61-1,945.01

Finding the Fourth Proportional to 4,869.92, 7,299.61 and 1,945.01

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Solution

The fourth proportional to 4,869.92, 7,299.61 and 1,945.01 is: 2,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.92 : 7,299.61 = 1,945.01 : x
  2. Step 2: Convert to fraction form
    4,869.92/7,299.61 = 1,945.01/x
  3. Step 3: Cross multiply
    4,869.92x = 7,299.61 × 1,945.01
  4. Step 4: Simplify right side
    4,869.92x = 14,197,814.45
  5. Step 5: Solve for x
    x = 14,197,814.45/4,869.92
  6. Step 6: Final answer
    x = 2,915.41

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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.