Home / 4,990.05-7,485.75-1,704.06

Finding the Fourth Proportional to 4,990.05, 7,485.75 and 1,704.06

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Solution

The fourth proportional to 4,990.05, 7,485.75 and 1,704.06 is: 2,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.05 : 7,485.75 = 1,704.06 : x
  2. Step 2: Convert to fraction form
    4,990.05/7,485.75 = 1,704.06/x
  3. Step 3: Cross multiply
    4,990.05x = 7,485.75 × 1,704.06
  4. Step 4: Simplify right side
    4,990.05x = 12,756,167.15
  5. Step 5: Solve for x
    x = 12,756,167.15/4,990.05
  6. Step 6: Final answer
    x = 2,556.32

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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.