Home / 5,553.55-8,330.12-1,393.59

Finding the Fourth Proportional to 5,553.55, 8,330.12 and 1,393.59

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Solution

The fourth proportional to 5,553.55, 8,330.12 and 1,393.59 is: 2,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.55 : 8,330.12 = 1,393.59 : x
  2. Step 2: Convert to fraction form
    5,553.55/8,330.12 = 1,393.59/x
  3. Step 3: Cross multiply
    5,553.55x = 8,330.12 × 1,393.59
  4. Step 4: Simplify right side
    5,553.55x = 11,608,771.93
  5. Step 5: Solve for x
    x = 11,608,771.93/5,553.55
  6. Step 6: Final answer
    x = 2,090.33

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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.