Home / 4,790.95-7,187.03-1,871.30

Finding the Fourth Proportional to 4,790.95, 7,187.03 and 1,871.30

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Solution

The fourth proportional to 4,790.95, 7,187.03 and 1,871.30 is: 2,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.95 : 7,187.03 = 1,871.30 : x
  2. Step 2: Convert to fraction form
    4,790.95/7,187.03 = 1,871.30/x
  3. Step 3: Cross multiply
    4,790.95x = 7,187.03 × 1,871.30
  4. Step 4: Simplify right side
    4,790.95x = 13,449,104.87
  5. Step 5: Solve for x
    x = 13,449,104.87/4,790.95
  6. Step 6: Final answer
    x = 2,807.19

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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.