Home / 4,143.35-6,215.96-1,370.31

Finding the Fourth Proportional to 4,143.35, 6,215.96 and 1,370.31

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Solution

The fourth proportional to 4,143.35, 6,215.96 and 1,370.31 is: 2,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.35 : 6,215.96 = 1,370.31 : x
  2. Step 2: Convert to fraction form
    4,143.35/6,215.96 = 1,370.31/x
  3. Step 3: Cross multiply
    4,143.35x = 6,215.96 × 1,370.31
  4. Step 4: Simplify right side
    4,143.35x = 8,517,792.15
  5. Step 5: Solve for x
    x = 8,517,792.15/4,143.35
  6. Step 6: Final answer
    x = 2,055.77

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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.