Home / 5,599.80-8,399.70-1,704.20

Finding the Fourth Proportional to 5,599.80, 8,399.70 and 1,704.20

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Solution

The fourth proportional to 5,599.80, 8,399.70 and 1,704.20 is: 2,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.80 : 8,399.70 = 1,704.20 : x
  2. Step 2: Convert to fraction form
    5,599.80/8,399.70 = 1,704.20/x
  3. Step 3: Cross multiply
    5,599.80x = 8,399.70 × 1,704.20
  4. Step 4: Simplify right side
    5,599.80x = 14,314,768.74
  5. Step 5: Solve for x
    x = 14,314,768.74/5,599.80
  6. Step 6: Final answer
    x = 2,556.30

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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.