Home / 5,137.40-7,090.66-3,459.90

Finding the Fourth Proportional to 5,137.40, 7,090.66 and 3,459.90

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Solution

The fourth proportional to 5,137.40, 7,090.66 and 3,459.90 is: 4,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.40 : 7,090.66 = 3,459.90 : x
  2. Step 2: Convert to fraction form
    5,137.40/7,090.66 = 3,459.90/x
  3. Step 3: Cross multiply
    5,137.40x = 7,090.66 × 3,459.90
  4. Step 4: Simplify right side
    5,137.40x = 24,532,974.53
  5. Step 5: Solve for x
    x = 24,532,974.53/5,137.40
  6. Step 6: Final answer
    x = 4,775.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.