Home / 6,540.96-9,026.40-3,556.80

Finding the Fourth Proportional to 6,540.96, 9,026.40 and 3,556.80

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Solution

The fourth proportional to 6,540.96, 9,026.40 and 3,556.80 is: 4,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.96 : 9,026.40 = 3,556.80 : x
  2. Step 2: Convert to fraction form
    6,540.96/9,026.40 = 3,556.80/x
  3. Step 3: Cross multiply
    6,540.96x = 9,026.40 × 3,556.80
  4. Step 4: Simplify right side
    6,540.96x = 32,105,099.52
  5. Step 5: Solve for x
    x = 32,105,099.52/6,540.96
  6. Step 6: Final answer
    x = 4,908.32

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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.