Home / 4,125.15-6,188.13-1,203.48

Finding the Fourth Proportional to 4,125.15, 6,188.13 and 1,203.48

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Solution

The fourth proportional to 4,125.15, 6,188.13 and 1,203.48 is: 1,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.15 : 6,188.13 = 1,203.48 : x
  2. Step 2: Convert to fraction form
    4,125.15/6,188.13 = 1,203.48/x
  3. Step 3: Cross multiply
    4,125.15x = 6,188.13 × 1,203.48
  4. Step 4: Simplify right side
    4,125.15x = 7,447,290.69
  5. Step 5: Solve for x
    x = 7,447,290.69/4,125.15
  6. Step 6: Final answer
    x = 1,805.34

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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.