Home / 5,617.07-8,425.59-1,919.32

Finding the Fourth Proportional to 5,617.07, 8,425.59 and 1,919.32

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Solution

The fourth proportional to 5,617.07, 8,425.59 and 1,919.32 is: 2,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.07 : 8,425.59 = 1,919.32 : x
  2. Step 2: Convert to fraction form
    5,617.07/8,425.59 = 1,919.32/x
  3. Step 3: Cross multiply
    5,617.07x = 8,425.59 × 1,919.32
  4. Step 4: Simplify right side
    5,617.07x = 16,171,382.33
  5. Step 5: Solve for x
    x = 16,171,382.33/5,617.07
  6. Step 6: Final answer
    x = 2,878.97

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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.