Home / 7,075.58-10,614.90-2,145.60

Finding the Fourth Proportional to 7,075.58, 10,614.90 and 2,145.60

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Solution

The fourth proportional to 7,075.58, 10,614.90 and 2,145.60 is: 3,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.58 : 10,614.90 = 2,145.60 : x
  2. Step 2: Convert to fraction form
    7,075.58/10,614.90 = 2,145.60/x
  3. Step 3: Cross multiply
    7,075.58x = 10,614.90 × 2,145.60
  4. Step 4: Simplify right side
    7,075.58x = 22,775,329.44
  5. Step 5: Solve for x
    x = 22,775,329.44/7,075.58
  6. Step 6: Final answer
    x = 3,218.87

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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.