Home / 6,378.16-9,567.58-2,216.38

Finding the Fourth Proportional to 6,378.16, 9,567.58 and 2,216.38

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Solution

The fourth proportional to 6,378.16, 9,567.58 and 2,216.38 is: 3,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.16 : 9,567.58 = 2,216.38 : x
  2. Step 2: Convert to fraction form
    6,378.16/9,567.58 = 2,216.38/x
  3. Step 3: Cross multiply
    6,378.16x = 9,567.58 × 2,216.38
  4. Step 4: Simplify right side
    6,378.16x = 21,205,392.96
  5. Step 5: Solve for x
    x = 21,205,392.96/6,378.16
  6. Step 6: Final answer
    x = 3,324.69

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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.