Home / 4,865.28-7,297.96-2,091.76

Finding the Fourth Proportional to 4,865.28, 7,297.96 and 2,091.76

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Solution

The fourth proportional to 4,865.28, 7,297.96 and 2,091.76 is: 3,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.28 : 7,297.96 = 2,091.76 : x
  2. Step 2: Convert to fraction form
    4,865.28/7,297.96 = 2,091.76/x
  3. Step 3: Cross multiply
    4,865.28x = 7,297.96 × 2,091.76
  4. Step 4: Simplify right side
    4,865.28x = 15,265,580.81
  5. Step 5: Solve for x
    x = 15,265,580.81/4,865.28
  6. Step 6: Final answer
    x = 3,137.66

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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.