Home / 4,256.55-6,390.90-3,333.15

Finding the Fourth Proportional to 4,256.55, 6,390.90 and 3,333.15

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Solution

The fourth proportional to 4,256.55, 6,390.90 and 3,333.15 is: 5,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.55 : 6,390.90 = 3,333.15 : x
  2. Step 2: Convert to fraction form
    4,256.55/6,390.90 = 3,333.15/x
  3. Step 3: Cross multiply
    4,256.55x = 6,390.90 × 3,333.15
  4. Step 4: Simplify right side
    4,256.55x = 21,301,828.34
  5. Step 5: Solve for x
    x = 21,301,828.34/4,256.55
  6. Step 6: Final answer
    x = 5,004.48

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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.