Home / 4,985.58-7,477.46-1,865.26

Finding the Fourth Proportional to 4,985.58, 7,477.46 and 1,865.26

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Solution

The fourth proportional to 4,985.58, 7,477.46 and 1,865.26 is: 2,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.58 : 7,477.46 = 1,865.26 : x
  2. Step 2: Convert to fraction form
    4,985.58/7,477.46 = 1,865.26/x
  3. Step 3: Cross multiply
    4,985.58x = 7,477.46 × 1,865.26
  4. Step 4: Simplify right side
    4,985.58x = 13,947,360.33
  5. Step 5: Solve for x
    x = 13,947,360.33/4,985.58
  6. Step 6: Final answer
    x = 2,797.54

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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.