Home / 4,078.17-6,117.30-1,305.03

Finding the Fourth Proportional to 4,078.17, 6,117.30 and 1,305.03

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Solution

The fourth proportional to 4,078.17, 6,117.30 and 1,305.03 is: 1,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.17 : 6,117.30 = 1,305.03 : x
  2. Step 2: Convert to fraction form
    4,078.17/6,117.30 = 1,305.03/x
  3. Step 3: Cross multiply
    4,078.17x = 6,117.30 × 1,305.03
  4. Step 4: Simplify right side
    4,078.17x = 7,983,260.02
  5. Step 5: Solve for x
    x = 7,983,260.02/4,078.17
  6. Step 6: Final answer
    x = 1,957.56

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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.