Home / 5,090.37-7,635.33-1,803.96

Finding the Fourth Proportional to 5,090.37, 7,635.33 and 1,803.96

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Solution

The fourth proportional to 5,090.37, 7,635.33 and 1,803.96 is: 2,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.37 : 7,635.33 = 1,803.96 : x
  2. Step 2: Convert to fraction form
    5,090.37/7,635.33 = 1,803.96/x
  3. Step 3: Cross multiply
    5,090.37x = 7,635.33 × 1,803.96
  4. Step 4: Simplify right side
    5,090.37x = 13,773,829.91
  5. Step 5: Solve for x
    x = 13,773,829.91/5,090.37
  6. Step 6: Final answer
    x = 2,705.86

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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.