Home / 4,909.01-6,774.28-2,784.73

Finding the Fourth Proportional to 4,909.01, 6,774.28 and 2,784.73

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Solution

The fourth proportional to 4,909.01, 6,774.28 and 2,784.73 is: 3,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.01 : 6,774.28 = 2,784.73 : x
  2. Step 2: Convert to fraction form
    4,909.01/6,774.28 = 2,784.73/x
  3. Step 3: Cross multiply
    4,909.01x = 6,774.28 × 2,784.73
  4. Step 4: Simplify right side
    4,909.01x = 18,864,540.74
  5. Step 5: Solve for x
    x = 18,864,540.74/4,909.01
  6. Step 6: Final answer
    x = 3,842.84

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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.