Home / 4,325.82-6,489.64-1,403.89

Finding the Fourth Proportional to 4,325.82, 6,489.64 and 1,403.89

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Solution

The fourth proportional to 4,325.82, 6,489.64 and 1,403.89 is: 2,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.82 : 6,489.64 = 1,403.89 : x
  2. Step 2: Convert to fraction form
    4,325.82/6,489.64 = 1,403.89/x
  3. Step 3: Cross multiply
    4,325.82x = 6,489.64 × 1,403.89
  4. Step 4: Simplify right side
    4,325.82x = 9,110,749.90
  5. Step 5: Solve for x
    x = 9,110,749.90/4,325.82
  6. Step 6: Final answer
    x = 2,106.13

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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.