Home / 4,508.21-6,762.96-1,388.48

Finding the Fourth Proportional to 4,508.21, 6,762.96 and 1,388.48

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Solution

The fourth proportional to 4,508.21, 6,762.96 and 1,388.48 is: 2,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.21 : 6,762.96 = 1,388.48 : x
  2. Step 2: Convert to fraction form
    4,508.21/6,762.96 = 1,388.48/x
  3. Step 3: Cross multiply
    4,508.21x = 6,762.96 × 1,388.48
  4. Step 4: Simplify right side
    4,508.21x = 9,390,200.89
  5. Step 5: Solve for x
    x = 9,390,200.89/4,508.21
  6. Step 6: Final answer
    x = 2,082.91

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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.