Home / 5,555.25-8,330.45-2,222.51

Finding the Fourth Proportional to 5,555.25, 8,330.45 and 2,222.51

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Solution

The fourth proportional to 5,555.25, 8,330.45 and 2,222.51 is: 3,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.25 : 8,330.45 = 2,222.51 : x
  2. Step 2: Convert to fraction form
    5,555.25/8,330.45 = 2,222.51/x
  3. Step 3: Cross multiply
    5,555.25x = 8,330.45 × 2,222.51
  4. Step 4: Simplify right side
    5,555.25x = 18,514,455.66
  5. Step 5: Solve for x
    x = 18,514,455.66/5,555.25
  6. Step 6: Final answer
    x = 3,332.79

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Half scale
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Double scale
Find fourth proportional to 5,556.25, 8,331.94 and 2,223.51
Similar ratio
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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.