Home / 4,274.08-6,415.98-3,992.20

Finding the Fourth Proportional to 4,274.08, 6,415.98 and 3,992.20

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Solution

The fourth proportional to 4,274.08, 6,415.98 and 3,992.20 is: 5,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.08 : 6,415.98 = 3,992.20 : x
  2. Step 2: Convert to fraction form
    4,274.08/6,415.98 = 3,992.20/x
  3. Step 3: Cross multiply
    4,274.08x = 6,415.98 × 3,992.20
  4. Step 4: Simplify right side
    4,274.08x = 25,613,875.36
  5. Step 5: Solve for x
    x = 25,613,875.36/4,274.08
  6. Step 6: Final answer
    x = 5,992.84

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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.