Home / 4,188.85-6,285.90-1,556.08

Finding the Fourth Proportional to 4,188.85, 6,285.90 and 1,556.08

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Solution

The fourth proportional to 4,188.85, 6,285.90 and 1,556.08 is: 2,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.85 : 6,285.90 = 1,556.08 : x
  2. Step 2: Convert to fraction form
    4,188.85/6,285.90 = 1,556.08/x
  3. Step 3: Cross multiply
    4,188.85x = 6,285.90 × 1,556.08
  4. Step 4: Simplify right side
    4,188.85x = 9,781,353.39
  5. Step 5: Solve for x
    x = 9,781,353.39/4,188.85
  6. Step 6: Final answer
    x = 2,335.09

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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.