Home / 4,118.10-6,168.99-2,165.46

Finding the Fourth Proportional to 4,118.10, 6,168.99 and 2,165.46

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Solution

The fourth proportional to 4,118.10, 6,168.99 and 2,165.46 is: 3,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.10 : 6,168.99 = 2,165.46 : x
  2. Step 2: Convert to fraction form
    4,118.10/6,168.99 = 2,165.46/x
  3. Step 3: Cross multiply
    4,118.10x = 6,168.99 × 2,165.46
  4. Step 4: Simplify right side
    4,118.10x = 13,358,701.09
  5. Step 5: Solve for x
    x = 13,358,701.09/4,118.10
  6. Step 6: Final answer
    x = 3,243.90

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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.