Home / 7,169.32-9,893.70-4,025.54

Finding the Fourth Proportional to 7,169.32, 9,893.70 and 4,025.54

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Solution

The fourth proportional to 7,169.32, 9,893.70 and 4,025.54 is: 5,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.32 : 9,893.70 = 4,025.54 : x
  2. Step 2: Convert to fraction form
    7,169.32/9,893.70 = 4,025.54/x
  3. Step 3: Cross multiply
    7,169.32x = 9,893.70 × 4,025.54
  4. Step 4: Simplify right side
    7,169.32x = 39,827,485.10
  5. Step 5: Solve for x
    x = 39,827,485.10/7,169.32
  6. Step 6: Final answer
    x = 5,555.27

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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.