Home / 4,015.20-6,020.37-1,418.34

Finding the Fourth Proportional to 4,015.20, 6,020.37 and 1,418.34

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Solution

The fourth proportional to 4,015.20, 6,020.37 and 1,418.34 is: 2,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.20 : 6,020.37 = 1,418.34 : x
  2. Step 2: Convert to fraction form
    4,015.20/6,020.37 = 1,418.34/x
  3. Step 3: Cross multiply
    4,015.20x = 6,020.37 × 1,418.34
  4. Step 4: Simplify right side
    4,015.20x = 8,538,931.59
  5. Step 5: Solve for x
    x = 8,538,931.59/4,015.20
  6. Step 6: Final answer
    x = 2,126.65

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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.