Home / 5,343.76-8,017.44-1,645.84

Finding the Fourth Proportional to 5,343.76, 8,017.44 and 1,645.84

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Solution

The fourth proportional to 5,343.76, 8,017.44 and 1,645.84 is: 2,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.76 : 8,017.44 = 1,645.84 : x
  2. Step 2: Convert to fraction form
    5,343.76/8,017.44 = 1,645.84/x
  3. Step 3: Cross multiply
    5,343.76x = 8,017.44 × 1,645.84
  4. Step 4: Simplify right side
    5,343.76x = 13,195,423.45
  5. Step 5: Solve for x
    x = 13,195,423.45/5,343.76
  6. Step 6: Final answer
    x = 2,469.31

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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.