Home / 5,405.37-8,090.79-2,903.07

Finding the Fourth Proportional to 5,405.37, 8,090.79 and 2,903.07

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Solution

The fourth proportional to 5,405.37, 8,090.79 and 2,903.07 is: 4,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.37 : 8,090.79 = 2,903.07 : x
  2. Step 2: Convert to fraction form
    5,405.37/8,090.79 = 2,903.07/x
  3. Step 3: Cross multiply
    5,405.37x = 8,090.79 × 2,903.07
  4. Step 4: Simplify right side
    5,405.37x = 23,488,129.73
  5. Step 5: Solve for x
    x = 23,488,129.73/5,405.37
  6. Step 6: Final answer
    x = 4,345.33

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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.