Home / 4,012.44-6,019.56-1,415.40

Finding the Fourth Proportional to 4,012.44, 6,019.56 and 1,415.40

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Solution

The fourth proportional to 4,012.44, 6,019.56 and 1,415.40 is: 2,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.44 : 6,019.56 = 1,415.40 : x
  2. Step 2: Convert to fraction form
    4,012.44/6,019.56 = 1,415.40/x
  3. Step 3: Cross multiply
    4,012.44x = 6,019.56 × 1,415.40
  4. Step 4: Simplify right side
    4,012.44x = 8,520,085.22
  5. Step 5: Solve for x
    x = 8,520,085.22/4,012.44
  6. Step 6: Final answer
    x = 2,123.42

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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.