Home / 4,909.14-6,774.48-2,784.51

Finding the Fourth Proportional to 4,909.14, 6,774.48 and 2,784.51

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Solution

The fourth proportional to 4,909.14, 6,774.48 and 2,784.51 is: 3,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.14 : 6,774.48 = 2,784.51 : x
  2. Step 2: Convert to fraction form
    4,909.14/6,774.48 = 2,784.51/x
  3. Step 3: Cross multiply
    4,909.14x = 6,774.48 × 2,784.51
  4. Step 4: Simplify right side
    4,909.14x = 18,863,607.30
  5. Step 5: Solve for x
    x = 18,863,607.30/4,909.14
  6. Step 6: Final answer
    x = 3,842.55

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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.