Home / 6,378.32-9,567.99-1,995.75

Finding the Fourth Proportional to 6,378.32, 9,567.99 and 1,995.75

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Solution

The fourth proportional to 6,378.32, 9,567.99 and 1,995.75 is: 2,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.32 : 9,567.99 = 1,995.75 : x
  2. Step 2: Convert to fraction form
    6,378.32/9,567.99 = 1,995.75/x
  3. Step 3: Cross multiply
    6,378.32x = 9,567.99 × 1,995.75
  4. Step 4: Simplify right side
    6,378.32x = 19,095,316.04
  5. Step 5: Solve for x
    x = 19,095,316.04/6,378.32
  6. Step 6: Final answer
    x = 2,993.78

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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.