Home / 9,030.26-13,540.43-2,788.55

Finding the Fourth Proportional to 9,030.26, 13,540.43 and 2,788.55

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Solution

The fourth proportional to 9,030.26, 13,540.43 and 2,788.55 is: 4,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.26 : 13,540.43 = 2,788.55 : x
  2. Step 2: Convert to fraction form
    9,030.26/13,540.43 = 2,788.55/x
  3. Step 3: Cross multiply
    9,030.26x = 13,540.43 × 2,788.55
  4. Step 4: Simplify right side
    9,030.26x = 37,758,152.13
  5. Step 5: Solve for x
    x = 37,758,152.13/9,030.26
  6. Step 6: Final answer
    x = 4,181.29

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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.