Home / 4,108.40-6,162.60-1,512.35

Finding the Fourth Proportional to 4,108.40, 6,162.60 and 1,512.35

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Solution

The fourth proportional to 4,108.40, 6,162.60 and 1,512.35 is: 2,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.40 : 6,162.60 = 1,512.35 : x
  2. Step 2: Convert to fraction form
    4,108.40/6,162.60 = 1,512.35/x
  3. Step 3: Cross multiply
    4,108.40x = 6,162.60 × 1,512.35
  4. Step 4: Simplify right side
    4,108.40x = 9,320,008.11
  5. Step 5: Solve for x
    x = 9,320,008.11/4,108.40
  6. Step 6: Final answer
    x = 2,268.53

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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.