Home / 5,505.81-7,608.63-4,091.55

Finding the Fourth Proportional to 5,505.81, 7,608.63 and 4,091.55

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Solution

The fourth proportional to 5,505.81, 7,608.63 and 4,091.55 is: 5,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.81 : 7,608.63 = 4,091.55 : x
  2. Step 2: Convert to fraction form
    5,505.81/7,608.63 = 4,091.55/x
  3. Step 3: Cross multiply
    5,505.81x = 7,608.63 × 4,091.55
  4. Step 4: Simplify right side
    5,505.81x = 31,131,090.08
  5. Step 5: Solve for x
    x = 31,131,090.08/5,505.81
  6. Step 6: Final answer
    x = 5,654.23

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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.