Home / 5,075.19-7,012.62-3,906.36

Finding the Fourth Proportional to 5,075.19, 7,012.62 and 3,906.36

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Solution

The fourth proportional to 5,075.19, 7,012.62 and 3,906.36 is: 5,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.19 : 7,012.62 = 3,906.36 : x
  2. Step 2: Convert to fraction form
    5,075.19/7,012.62 = 3,906.36/x
  3. Step 3: Cross multiply
    5,075.19x = 7,012.62 × 3,906.36
  4. Step 4: Simplify right side
    5,075.19x = 27,393,818.26
  5. Step 5: Solve for x
    x = 27,393,818.26/5,075.19
  6. Step 6: Final answer
    x = 5,397.59

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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.