Home / 4,215.90-6,324.12-1,442.82

Finding the Fourth Proportional to 4,215.90, 6,324.12 and 1,442.82

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Solution

The fourth proportional to 4,215.90, 6,324.12 and 1,442.82 is: 2,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.90 : 6,324.12 = 1,442.82 : x
  2. Step 2: Convert to fraction form
    4,215.90/6,324.12 = 1,442.82/x
  3. Step 3: Cross multiply
    4,215.90x = 6,324.12 × 1,442.82
  4. Step 4: Simplify right side
    4,215.90x = 9,124,566.82
  5. Step 5: Solve for x
    x = 9,124,566.82/4,215.90
  6. Step 6: Final answer
    x = 2,164.32

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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.