Home / 4,145.36-6,218.94-1,954.10

Finding the Fourth Proportional to 4,145.36, 6,218.94 and 1,954.10

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Solution

The fourth proportional to 4,145.36, 6,218.94 and 1,954.10 is: 2,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.36 : 6,218.94 = 1,954.10 : x
  2. Step 2: Convert to fraction form
    4,145.36/6,218.94 = 1,954.10/x
  3. Step 3: Cross multiply
    4,145.36x = 6,218.94 × 1,954.10
  4. Step 4: Simplify right side
    4,145.36x = 12,152,453.53
  5. Step 5: Solve for x
    x = 12,152,453.53/4,145.36
  6. Step 6: Final answer
    x = 2,931.58

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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.