Home / 4,078.10-6,116.19-1,305.20

Finding the Fourth Proportional to 4,078.10, 6,116.19 and 1,305.20

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Solution

The fourth proportional to 4,078.10, 6,116.19 and 1,305.20 is: 1,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.10 : 6,116.19 = 1,305.20 : x
  2. Step 2: Convert to fraction form
    4,078.10/6,116.19 = 1,305.20/x
  3. Step 3: Cross multiply
    4,078.10x = 6,116.19 × 1,305.20
  4. Step 4: Simplify right side
    4,078.10x = 7,982,851.19
  5. Step 5: Solve for x
    x = 7,982,851.19/4,078.10
  6. Step 6: Final answer
    x = 1,957.49

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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.