Home / 8,055.19-11,121.33-6,566.68

Finding the Fourth Proportional to 8,055.19, 11,121.33 and 6,566.68

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Solution

The fourth proportional to 8,055.19, 11,121.33 and 6,566.68 is: 9,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.19 : 11,121.33 = 6,566.68 : x
  2. Step 2: Convert to fraction form
    8,055.19/11,121.33 = 6,566.68/x
  3. Step 3: Cross multiply
    8,055.19x = 11,121.33 × 6,566.68
  4. Step 4: Simplify right side
    8,055.19x = 73,030,215.28
  5. Step 5: Solve for x
    x = 73,030,215.28/8,055.19
  6. Step 6: Final answer
    x = 9,066.23

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Half scale
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Double scale
Find fourth proportional to 8,056.19, 11,122.71 and 6,567.68
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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.