Home / 4,298.75-6,448.83-1,376.88

Finding the Fourth Proportional to 4,298.75, 6,448.83 and 1,376.88

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Solution

The fourth proportional to 4,298.75, 6,448.83 and 1,376.88 is: 2,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.75 : 6,448.83 = 1,376.88 : x
  2. Step 2: Convert to fraction form
    4,298.75/6,448.83 = 1,376.88/x
  3. Step 3: Cross multiply
    4,298.75x = 6,448.83 × 1,376.88
  4. Step 4: Simplify right side
    4,298.75x = 8,879,265.05
  5. Step 5: Solve for x
    x = 8,879,265.05/4,298.75
  6. Step 6: Final answer
    x = 2,065.55

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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.