Home / 7,079.40-10,619.64-3,383.28

Finding the Fourth Proportional to 7,079.40, 10,619.64 and 3,383.28

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Solution

The fourth proportional to 7,079.40, 10,619.64 and 3,383.28 is: 5,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.40 : 10,619.64 = 3,383.28 : x
  2. Step 2: Convert to fraction form
    7,079.40/10,619.64 = 3,383.28/x
  3. Step 3: Cross multiply
    7,079.40x = 10,619.64 × 3,383.28
  4. Step 4: Simplify right side
    7,079.40x = 35,929,215.62
  5. Step 5: Solve for x
    x = 35,929,215.62/7,079.40
  6. Step 6: Final answer
    x = 5,075.18

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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.