Home / 6,378.64-9,568.08-1,996.24

Finding the Fourth Proportional to 6,378.64, 9,568.08 and 1,996.24

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Solution

The fourth proportional to 6,378.64, 9,568.08 and 1,996.24 is: 2,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.64 : 9,568.08 = 1,996.24 : x
  2. Step 2: Convert to fraction form
    6,378.64/9,568.08 = 1,996.24/x
  3. Step 3: Cross multiply
    6,378.64x = 9,568.08 × 1,996.24
  4. Step 4: Simplify right side
    6,378.64x = 19,100,184.02
  5. Step 5: Solve for x
    x = 19,100,184.02/6,378.64
  6. Step 6: Final answer
    x = 2,994.40

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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.