Home / 4,638.18-6,959.04-2,790.60

Finding the Fourth Proportional to 4,638.18, 6,959.04 and 2,790.60

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Solution

The fourth proportional to 4,638.18, 6,959.04 and 2,790.60 is: 4,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.18 : 6,959.04 = 2,790.60 : x
  2. Step 2: Convert to fraction form
    4,638.18/6,959.04 = 2,790.60/x
  3. Step 3: Cross multiply
    4,638.18x = 6,959.04 × 2,790.60
  4. Step 4: Simplify right side
    4,638.18x = 19,419,897.02
  5. Step 5: Solve for x
    x = 19,419,897.02/4,638.18
  6. Step 6: Final answer
    x = 4,186.96

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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.