Home / 7,045.68-10,568.88-2,114.80

Finding the Fourth Proportional to 7,045.68, 10,568.88 and 2,114.80

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Solution

The fourth proportional to 7,045.68, 10,568.88 and 2,114.80 is: 3,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.68 : 10,568.88 = 2,114.80 : x
  2. Step 2: Convert to fraction form
    7,045.68/10,568.88 = 2,114.80/x
  3. Step 3: Cross multiply
    7,045.68x = 10,568.88 × 2,114.80
  4. Step 4: Simplify right side
    7,045.68x = 22,351,067.42
  5. Step 5: Solve for x
    x = 22,351,067.42/7,045.68
  6. Step 6: Final answer
    x = 3,172.31

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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.