Home / 5,090.58-7,620.51-4,603.86

Finding the Fourth Proportional to 5,090.58, 7,620.51 and 4,603.86

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Solution

The fourth proportional to 5,090.58, 7,620.51 and 4,603.86 is: 6,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.58 : 7,620.51 = 4,603.86 : x
  2. Step 2: Convert to fraction form
    5,090.58/7,620.51 = 4,603.86/x
  3. Step 3: Cross multiply
    5,090.58x = 7,620.51 × 4,603.86
  4. Step 4: Simplify right side
    5,090.58x = 35,083,761.17
  5. Step 5: Solve for x
    x = 35,083,761.17/5,090.58
  6. Step 6: Final answer
    x = 6,891.90

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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.