Home / 8,918.32-13,378.37-3,297.46

Finding the Fourth Proportional to 8,918.32, 13,378.37 and 3,297.46

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Solution

The fourth proportional to 8,918.32, 13,378.37 and 3,297.46 is: 4,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.32 : 13,378.37 = 3,297.46 : x
  2. Step 2: Convert to fraction form
    8,918.32/13,378.37 = 3,297.46/x
  3. Step 3: Cross multiply
    8,918.32x = 13,378.37 × 3,297.46
  4. Step 4: Simplify right side
    8,918.32x = 44,114,615.09
  5. Step 5: Solve for x
    x = 44,114,615.09/8,918.32
  6. Step 6: Final answer
    x = 4,946.52

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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.