Home / 4,165.18-6,246.38-1,391.02

Finding the Fourth Proportional to 4,165.18, 6,246.38 and 1,391.02

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Solution

The fourth proportional to 4,165.18, 6,246.38 and 1,391.02 is: 2,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.18 : 6,246.38 = 1,391.02 : x
  2. Step 2: Convert to fraction form
    4,165.18/6,246.38 = 1,391.02/x
  3. Step 3: Cross multiply
    4,165.18x = 6,246.38 × 1,391.02
  4. Step 4: Simplify right side
    4,165.18x = 8,688,827.37
  5. Step 5: Solve for x
    x = 8,688,827.37/4,165.18
  6. Step 6: Final answer
    x = 2,086.06

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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.