Home / 5,403.22-8,090.79-4,628.20

Finding the Fourth Proportional to 5,403.22, 8,090.79 and 4,628.20

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Solution

The fourth proportional to 5,403.22, 8,090.79 and 4,628.20 is: 6,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.22 : 8,090.79 = 4,628.20 : x
  2. Step 2: Convert to fraction form
    5,403.22/8,090.79 = 4,628.20/x
  3. Step 3: Cross multiply
    5,403.22x = 8,090.79 × 4,628.20
  4. Step 4: Simplify right side
    5,403.22x = 37,445,794.28
  5. Step 5: Solve for x
    x = 37,445,794.28/5,403.22
  6. Step 6: Final answer
    x = 6,930.27

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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.