Home / 5,626.80-8,456.40-5,529.60

Finding the Fourth Proportional to 5,626.80, 8,456.40 and 5,529.60

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Solution

The fourth proportional to 5,626.80, 8,456.40 and 5,529.60 is: 8,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.80 : 8,456.40 = 5,529.60 : x
  2. Step 2: Convert to fraction form
    5,626.80/8,456.40 = 5,529.60/x
  3. Step 3: Cross multiply
    5,626.80x = 8,456.40 × 5,529.60
  4. Step 4: Simplify right side
    5,626.80x = 46,760,509.44
  5. Step 5: Solve for x
    x = 46,760,509.44/5,626.80
  6. Step 6: Final answer
    x = 8,310.32

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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.