Home / 4,790.79-7,189.74-1,869.03

Finding the Fourth Proportional to 4,790.79, 7,189.74 and 1,869.03

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Solution

The fourth proportional to 4,790.79, 7,189.74 and 1,869.03 is: 2,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.79 : 7,189.74 = 1,869.03 : x
  2. Step 2: Convert to fraction form
    4,790.79/7,189.74 = 1,869.03/x
  3. Step 3: Cross multiply
    4,790.79x = 7,189.74 × 1,869.03
  4. Step 4: Simplify right side
    4,790.79x = 13,437,839.75
  5. Step 5: Solve for x
    x = 13,437,839.75/4,790.79
  6. Step 6: Final answer
    x = 2,804.93

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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.