Home / 6,378.46-9,568.09-1,698.39

Finding the Fourth Proportional to 6,378.46, 9,568.09 and 1,698.39

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Solution

The fourth proportional to 6,378.46, 9,568.09 and 1,698.39 is: 2,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.46 : 9,568.09 = 1,698.39 : x
  2. Step 2: Convert to fraction form
    6,378.46/9,568.09 = 1,698.39/x
  3. Step 3: Cross multiply
    6,378.46x = 9,568.09 × 1,698.39
  4. Step 4: Simplify right side
    6,378.46x = 16,250,348.38
  5. Step 5: Solve for x
    x = 16,250,348.38/6,378.46
  6. Step 6: Final answer
    x = 2,547.69

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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.