Home / 4,145.40-6,218.16-2,683.80

Finding the Fourth Proportional to 4,145.40, 6,218.16 and 2,683.80

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Solution

The fourth proportional to 4,145.40, 6,218.16 and 2,683.80 is: 4,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.40 : 6,218.16 = 2,683.80 : x
  2. Step 2: Convert to fraction form
    4,145.40/6,218.16 = 2,683.80/x
  3. Step 3: Cross multiply
    4,145.40x = 6,218.16 × 2,683.80
  4. Step 4: Simplify right side
    4,145.40x = 16,688,297.81
  5. Step 5: Solve for x
    x = 16,688,297.81/4,145.40
  6. Step 6: Final answer
    x = 4,025.74

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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.