Home / 4,948.12-6,828.13-2,709.86

Finding the Fourth Proportional to 4,948.12, 6,828.13 and 2,709.86

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Solution

The fourth proportional to 4,948.12, 6,828.13 and 2,709.86 is: 3,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.12 : 6,828.13 = 2,709.86 : x
  2. Step 2: Convert to fraction form
    4,948.12/6,828.13 = 2,709.86/x
  3. Step 3: Cross multiply
    4,948.12x = 6,828.13 × 2,709.86
  4. Step 4: Simplify right side
    4,948.12x = 18,503,245.61
  5. Step 5: Solve for x
    x = 18,503,245.61/4,948.12
  6. Step 6: Final answer
    x = 3,739.45

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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.