Home / 4,204.12-6,305.70-1,125.88

Finding the Fourth Proportional to 4,204.12, 6,305.70 and 1,125.88

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Solution

The fourth proportional to 4,204.12, 6,305.70 and 1,125.88 is: 1,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,204.12 : 6,305.70 = 1,125.88 : x
  2. Step 2: Convert to fraction form
    4,204.12/6,305.70 = 1,125.88/x
  3. Step 3: Cross multiply
    4,204.12x = 6,305.70 × 1,125.88
  4. Step 4: Simplify right side
    4,204.12x = 7,099,461.52
  5. Step 5: Solve for x
    x = 7,099,461.52/4,204.12
  6. Step 6: Final answer
    x = 1,688.69

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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.