Home / 8,202.72-11,319.36-4,665.60

Finding the Fourth Proportional to 8,202.72, 11,319.36 and 4,665.60

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Solution

The fourth proportional to 8,202.72, 11,319.36 and 4,665.60 is: 6,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.72 : 11,319.36 = 4,665.60 : x
  2. Step 2: Convert to fraction form
    8,202.72/11,319.36 = 4,665.60/x
  3. Step 3: Cross multiply
    8,202.72x = 11,319.36 × 4,665.60
  4. Step 4: Simplify right side
    8,202.72x = 52,811,606.02
  5. Step 5: Solve for x
    x = 52,811,606.02/8,202.72
  6. Step 6: Final answer
    x = 6,438.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.