Home / 7,325.53-10,990.42-2,645.44

Finding the Fourth Proportional to 7,325.53, 10,990.42 and 2,645.44

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Solution

The fourth proportional to 7,325.53, 10,990.42 and 2,645.44 is: 3,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.53 : 10,990.42 = 2,645.44 : x
  2. Step 2: Convert to fraction form
    7,325.53/10,990.42 = 2,645.44/x
  3. Step 3: Cross multiply
    7,325.53x = 10,990.42 × 2,645.44
  4. Step 4: Simplify right side
    7,325.53x = 29,074,462.60
  5. Step 5: Solve for x
    x = 29,074,462.60/7,325.53
  6. Step 6: Final answer
    x = 3,968.92

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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.