Home / 5,075.36-7,005.48-3,213.44

Finding the Fourth Proportional to 5,075.36, 7,005.48 and 3,213.44

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Solution

The fourth proportional to 5,075.36, 7,005.48 and 3,213.44 is: 4,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.36 : 7,005.48 = 3,213.44 : x
  2. Step 2: Convert to fraction form
    5,075.36/7,005.48 = 3,213.44/x
  3. Step 3: Cross multiply
    5,075.36x = 7,005.48 × 3,213.44
  4. Step 4: Simplify right side
    5,075.36x = 22,511,689.65
  5. Step 5: Solve for x
    x = 22,511,689.65/5,075.36
  6. Step 6: Final answer
    x = 4,435.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.