Home / 4,768.36-7,157.19-2,581.76

Finding the Fourth Proportional to 4,768.36, 7,157.19 and 2,581.76

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Solution

The fourth proportional to 4,768.36, 7,157.19 and 2,581.76 is: 3,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.36 : 7,157.19 = 2,581.76 : x
  2. Step 2: Convert to fraction form
    4,768.36/7,157.19 = 2,581.76/x
  3. Step 3: Cross multiply
    4,768.36x = 7,157.19 × 2,581.76
  4. Step 4: Simplify right side
    4,768.36x = 18,478,146.85
  5. Step 5: Solve for x
    x = 18,478,146.85/4,768.36
  6. Step 6: Final answer
    x = 3,875.16

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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.