Home / 5,284-7,926.11-1,998.64

Finding the Fourth Proportional to 5,284, 7,926.11 and 1,998.64

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Solution

The fourth proportional to 5,284, 7,926.11 and 1,998.64 is: 2,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284 : 7,926.11 = 1,998.64 : x
  2. Step 2: Convert to fraction form
    5,284/7,926.11 = 1,998.64/x
  3. Step 3: Cross multiply
    5,284x = 7,926.11 × 1,998.64
  4. Step 4: Simplify right side
    5,284x = 15,841,440.49
  5. Step 5: Solve for x
    x = 15,841,440.49/5,284
  6. Step 6: Final answer
    x = 2,998.00

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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.