Home / 4,240.14-6,361.05-1,318.32

Finding the Fourth Proportional to 4,240.14, 6,361.05 and 1,318.32

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Solution

The fourth proportional to 4,240.14, 6,361.05 and 1,318.32 is: 1,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.14 : 6,361.05 = 1,318.32 : x
  2. Step 2: Convert to fraction form
    4,240.14/6,361.05 = 1,318.32/x
  3. Step 3: Cross multiply
    4,240.14x = 6,361.05 × 1,318.32
  4. Step 4: Simplify right side
    4,240.14x = 8,385,899.44
  5. Step 5: Solve for x
    x = 8,385,899.44/4,240.14
  6. Step 6: Final answer
    x = 1,977.74

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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.