Home / 4,728.60-7,087.88-2,258.21

Finding the Fourth Proportional to 4,728.60, 7,087.88 and 2,258.21

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Solution

The fourth proportional to 4,728.60, 7,087.88 and 2,258.21 is: 3,384.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.60 : 7,087.88 = 2,258.21 : x
  2. Step 2: Convert to fraction form
    4,728.60/7,087.88 = 2,258.21/x
  3. Step 3: Cross multiply
    4,728.60x = 7,087.88 × 2,258.21
  4. Step 4: Simplify right side
    4,728.60x = 16,005,874.76
  5. Step 5: Solve for x
    x = 16,005,874.76/4,728.60
  6. Step 6: Final answer
    x = 3,384.91

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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.