Home / 5,342.10-8,015.23-2,221.33

Finding the Fourth Proportional to 5,342.10, 8,015.23 and 2,221.33

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Solution

The fourth proportional to 5,342.10, 8,015.23 and 2,221.33 is: 3,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.10 : 8,015.23 = 2,221.33 : x
  2. Step 2: Convert to fraction form
    5,342.10/8,015.23 = 2,221.33/x
  3. Step 3: Cross multiply
    5,342.10x = 8,015.23 × 2,221.33
  4. Step 4: Simplify right side
    5,342.10x = 17,804,470.86
  5. Step 5: Solve for x
    x = 17,804,470.86/5,342.10
  6. Step 6: Final answer
    x = 3,332.86

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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.