Home / 9,259.40-13,890-2,685.44

Finding the Fourth Proportional to 9,259.40, 13,890 and 2,685.44

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Solution

The fourth proportional to 9,259.40, 13,890 and 2,685.44 is: 4,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.40 : 13,890 = 2,685.44 : x
  2. Step 2: Convert to fraction form
    9,259.40/13,890 = 2,685.44/x
  3. Step 3: Cross multiply
    9,259.40x = 13,890 × 2,685.44
  4. Step 4: Simplify right side
    9,259.40x = 37,300,761.60
  5. Step 5: Solve for x
    x = 37,300,761.60/9,259.40
  6. Step 6: Final answer
    x = 4,028.42

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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.