Home / 4,790.79-7,188.42-1,868.31

Finding the Fourth Proportional to 4,790.79, 7,188.42 and 1,868.31

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Solution

The fourth proportional to 4,790.79, 7,188.42 and 1,868.31 is: 2,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.79 : 7,188.42 = 1,868.31 : x
  2. Step 2: Convert to fraction form
    4,790.79/7,188.42 = 1,868.31/x
  3. Step 3: Cross multiply
    4,790.79x = 7,188.42 × 1,868.31
  4. Step 4: Simplify right side
    4,790.79x = 13,430,196.97
  5. Step 5: Solve for x
    x = 13,430,196.97/4,790.79
  6. Step 6: Final answer
    x = 2,803.34

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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.