Home / 5,641.37-7,785.90-3,284.27

Finding the Fourth Proportional to 5,641.37, 7,785.90 and 3,284.27

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Solution

The fourth proportional to 5,641.37, 7,785.90 and 3,284.27 is: 4,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.37 : 7,785.90 = 3,284.27 : x
  2. Step 2: Convert to fraction form
    5,641.37/7,785.90 = 3,284.27/x
  3. Step 3: Cross multiply
    5,641.37x = 7,785.90 × 3,284.27
  4. Step 4: Simplify right side
    5,641.37x = 25,570,997.79
  5. Step 5: Solve for x
    x = 25,570,997.79/5,641.37
  6. Step 6: Final answer
    x = 4,532.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.