Home / 4,207.08-6,310.56-1,285.39

Finding the Fourth Proportional to 4,207.08, 6,310.56 and 1,285.39

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Solution

The fourth proportional to 4,207.08, 6,310.56 and 1,285.39 is: 1,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.08 : 6,310.56 = 1,285.39 : x
  2. Step 2: Convert to fraction form
    4,207.08/6,310.56 = 1,285.39/x
  3. Step 3: Cross multiply
    4,207.08x = 6,310.56 × 1,285.39
  4. Step 4: Simplify right side
    4,207.08x = 8,111,530.72
  5. Step 5: Solve for x
    x = 8,111,530.72/4,207.08
  6. Step 6: Final answer
    x = 1,928.07

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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.