Home / 4,435.48-6,639.18-2,786.32

Finding the Fourth Proportional to 4,435.48, 6,639.18 and 2,786.32

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Solution

The fourth proportional to 4,435.48, 6,639.18 and 2,786.32 is: 4,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.48 : 6,639.18 = 2,786.32 : x
  2. Step 2: Convert to fraction form
    4,435.48/6,639.18 = 2,786.32/x
  3. Step 3: Cross multiply
    4,435.48x = 6,639.18 × 2,786.32
  4. Step 4: Simplify right side
    4,435.48x = 18,498,880.02
  5. Step 5: Solve for x
    x = 18,498,880.02/4,435.48
  6. Step 6: Final answer
    x = 4,170.66

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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.