Home / 4,215.85-6,323.47-1,442.41

Finding the Fourth Proportional to 4,215.85, 6,323.47 and 1,442.41

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Solution

The fourth proportional to 4,215.85, 6,323.47 and 1,442.41 is: 2,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.85 : 6,323.47 = 1,442.41 : x
  2. Step 2: Convert to fraction form
    4,215.85/6,323.47 = 1,442.41/x
  3. Step 3: Cross multiply
    4,215.85x = 6,323.47 × 1,442.41
  4. Step 4: Simplify right side
    4,215.85x = 9,121,016.95
  5. Step 5: Solve for x
    x = 9,121,016.95/4,215.85
  6. Step 6: Final answer
    x = 2,163.51

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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.