Home / 6,408.09-9,603.90-2,897.96

Finding the Fourth Proportional to 6,408.09, 9,603.90 and 2,897.96

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Solution

The fourth proportional to 6,408.09, 9,603.90 and 2,897.96 is: 4,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.09 : 9,603.90 = 2,897.96 : x
  2. Step 2: Convert to fraction form
    6,408.09/9,603.90 = 2,897.96/x
  3. Step 3: Cross multiply
    6,408.09x = 9,603.90 × 2,897.96
  4. Step 4: Simplify right side
    6,408.09x = 27,831,670.02
  5. Step 5: Solve for x
    x = 27,831,670.02/6,408.09
  6. Step 6: Final answer
    x = 4,343.21

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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.