Home / 5,111.75-7,667.61-1,602.03

Finding the Fourth Proportional to 5,111.75, 7,667.61 and 1,602.03

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Solution

The fourth proportional to 5,111.75, 7,667.61 and 1,602.03 is: 2,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.75 : 7,667.61 = 1,602.03 : x
  2. Step 2: Convert to fraction form
    5,111.75/7,667.61 = 1,602.03/x
  3. Step 3: Cross multiply
    5,111.75x = 7,667.61 × 1,602.03
  4. Step 4: Simplify right side
    5,111.75x = 12,283,718.50
  5. Step 5: Solve for x
    x = 12,283,718.50/5,111.75
  6. Step 6: Final answer
    x = 2,403.04

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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.