Home / 5,435.19-8,147.26-3,090.35

Finding the Fourth Proportional to 5,435.19, 8,147.26 and 3,090.35

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Solution

The fourth proportional to 5,435.19, 8,147.26 and 3,090.35 is: 4,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.19 : 8,147.26 = 3,090.35 : x
  2. Step 2: Convert to fraction form
    5,435.19/8,147.26 = 3,090.35/x
  3. Step 3: Cross multiply
    5,435.19x = 8,147.26 × 3,090.35
  4. Step 4: Simplify right side
    5,435.19x = 25,177,844.20
  5. Step 5: Solve for x
    x = 25,177,844.20/5,435.19
  6. Step 6: Final answer
    x = 4,632.38

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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.