Home / 8,120.27-11,207.84-4,763.23

Finding the Fourth Proportional to 8,120.27, 11,207.84 and 4,763.23

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Solution

The fourth proportional to 8,120.27, 11,207.84 and 4,763.23 is: 6,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.27 : 11,207.84 = 4,763.23 : x
  2. Step 2: Convert to fraction form
    8,120.27/11,207.84 = 4,763.23/x
  3. Step 3: Cross multiply
    8,120.27x = 11,207.84 × 4,763.23
  4. Step 4: Simplify right side
    8,120.27x = 53,385,467.89
  5. Step 5: Solve for x
    x = 53,385,467.89/8,120.27
  6. Step 6: Final answer
    x = 6,574.34

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Half scale
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Double scale
Find fourth proportional to 8,121.27, 11,209.22 and 4,764.23
Similar ratio
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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.