Home / 6,448.12-8,898.28-3,759.84

Finding the Fourth Proportional to 6,448.12, 8,898.28 and 3,759.84

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Solution

The fourth proportional to 6,448.12, 8,898.28 and 3,759.84 is: 5,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.12 : 8,898.28 = 3,759.84 : x
  2. Step 2: Convert to fraction form
    6,448.12/8,898.28 = 3,759.84/x
  3. Step 3: Cross multiply
    6,448.12x = 8,898.28 × 3,759.84
  4. Step 4: Simplify right side
    6,448.12x = 33,456,109.08
  5. Step 5: Solve for x
    x = 33,456,109.08/6,448.12
  6. Step 6: Final answer
    x = 5,188.51

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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.