Home / 5,555.76-8,333.46-1,858.02

Finding the Fourth Proportional to 5,555.76, 8,333.46 and 1,858.02

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Solution

The fourth proportional to 5,555.76, 8,333.46 and 1,858.02 is: 2,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.76 : 8,333.46 = 1,858.02 : x
  2. Step 2: Convert to fraction form
    5,555.76/8,333.46 = 1,858.02/x
  3. Step 3: Cross multiply
    5,555.76x = 8,333.46 × 1,858.02
  4. Step 4: Simplify right side
    5,555.76x = 15,483,735.35
  5. Step 5: Solve for x
    x = 15,483,735.35/5,555.76
  6. Step 6: Final answer
    x = 2,786.97

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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.