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Finding the Fourth Proportional to 4,575.92, 6,865.08 and 1,656.68

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Solution

The fourth proportional to 4,575.92, 6,865.08 and 1,656.68 is: 2,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.92 : 6,865.08 = 1,656.68 : x
  2. Step 2: Convert to fraction form
    4,575.92/6,865.08 = 1,656.68/x
  3. Step 3: Cross multiply
    4,575.92x = 6,865.08 × 1,656.68
  4. Step 4: Simplify right side
    4,575.92x = 11,373,240.73
  5. Step 5: Solve for x
    x = 11,373,240.73/4,575.92
  6. Step 6: Final answer
    x = 2,485.45

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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.