Home / 5,403.65-8,104.80-1,893.02

Finding the Fourth Proportional to 5,403.65, 8,104.80 and 1,893.02

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Solution

The fourth proportional to 5,403.65, 8,104.80 and 1,893.02 is: 2,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.65 : 8,104.80 = 1,893.02 : x
  2. Step 2: Convert to fraction form
    5,403.65/8,104.80 = 1,893.02/x
  3. Step 3: Cross multiply
    5,403.65x = 8,104.80 × 1,893.02
  4. Step 4: Simplify right side
    5,403.65x = 15,342,548.50
  5. Step 5: Solve for x
    x = 15,342,548.50/5,403.65
  6. Step 6: Final answer
    x = 2,839.29

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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.