Home / 7,075.22-10,614.35-2,145.22

Finding the Fourth Proportional to 7,075.22, 10,614.35 and 2,145.22

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Solution

The fourth proportional to 7,075.22, 10,614.35 and 2,145.22 is: 3,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.22 : 10,614.35 = 2,145.22 : x
  2. Step 2: Convert to fraction form
    7,075.22/10,614.35 = 2,145.22/x
  3. Step 3: Cross multiply
    7,075.22x = 10,614.35 × 2,145.22
  4. Step 4: Simplify right side
    7,075.22x = 22,770,094.73
  5. Step 5: Solve for x
    x = 22,770,094.73/7,075.22
  6. Step 6: Final answer
    x = 3,218.29

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1.5x scale

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.