Home / 4,320.36-6,481.57-1,398.67

Finding the Fourth Proportional to 4,320.36, 6,481.57 and 1,398.67

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Solution

The fourth proportional to 4,320.36, 6,481.57 and 1,398.67 is: 2,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.36 : 6,481.57 = 1,398.67 : x
  2. Step 2: Convert to fraction form
    4,320.36/6,481.57 = 1,398.67/x
  3. Step 3: Cross multiply
    4,320.36x = 6,481.57 × 1,398.67
  4. Step 4: Simplify right side
    4,320.36x = 9,065,564.80
  5. Step 5: Solve for x
    x = 9,065,564.80/4,320.36
  6. Step 6: Final answer
    x = 2,098.34

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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.