Home / 8,211.04-11,331.24-4,485.04

Finding the Fourth Proportional to 8,211.04, 11,331.24 and 4,485.04

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Solution

The fourth proportional to 8,211.04, 11,331.24 and 4,485.04 is: 6,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.04 : 11,331.24 = 4,485.04 : x
  2. Step 2: Convert to fraction form
    8,211.04/11,331.24 = 4,485.04/x
  3. Step 3: Cross multiply
    8,211.04x = 11,331.24 × 4,485.04
  4. Step 4: Simplify right side
    8,211.04x = 50,821,064.65
  5. Step 5: Solve for x
    x = 50,821,064.65/8,211.04
  6. Step 6: Final answer
    x = 6,189.36

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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.