Home / 4,215.49-6,319.31-1,874.26

Finding the Fourth Proportional to 4,215.49, 6,319.31 and 1,874.26

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Solution

The fourth proportional to 4,215.49, 6,319.31 and 1,874.26 is: 2,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.49 : 6,319.31 = 1,874.26 : x
  2. Step 2: Convert to fraction form
    4,215.49/6,319.31 = 1,874.26/x
  3. Step 3: Cross multiply
    4,215.49x = 6,319.31 × 1,874.26
  4. Step 4: Simplify right side
    4,215.49x = 11,844,029.96
  5. Step 5: Solve for x
    x = 11,844,029.96/4,215.49
  6. Step 6: Final answer
    x = 2,809.64

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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.