Home / 6,124.60-8,450.40-3,605.80

Finding the Fourth Proportional to 6,124.60, 8,450.40 and 3,605.80

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Solution

The fourth proportional to 6,124.60, 8,450.40 and 3,605.80 is: 4,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.60 : 8,450.40 = 3,605.80 : x
  2. Step 2: Convert to fraction form
    6,124.60/8,450.40 = 3,605.80/x
  3. Step 3: Cross multiply
    6,124.60x = 8,450.40 × 3,605.80
  4. Step 4: Simplify right side
    6,124.60x = 30,470,452.32
  5. Step 5: Solve for x
    x = 30,470,452.32/6,124.60
  6. Step 6: Final answer
    x = 4,975.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.