Home / 4,880.40-6,732.20-3,087.32

Finding the Fourth Proportional to 4,880.40, 6,732.20 and 3,087.32

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Solution

The fourth proportional to 4,880.40, 6,732.20 and 3,087.32 is: 4,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.40 : 6,732.20 = 3,087.32 : x
  2. Step 2: Convert to fraction form
    4,880.40/6,732.20 = 3,087.32/x
  3. Step 3: Cross multiply
    4,880.40x = 6,732.20 × 3,087.32
  4. Step 4: Simplify right side
    4,880.40x = 20,784,480.25
  5. Step 5: Solve for x
    x = 20,784,480.25/4,880.40
  6. Step 6: Final answer
    x = 4,258.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.