Home / 4,125.72-6,188.58-1,005.72

Finding the Fourth Proportional to 4,125.72, 6,188.58 and 1,005.72

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Solution

The fourth proportional to 4,125.72, 6,188.58 and 1,005.72 is: 1,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.72 : 6,188.58 = 1,005.72 : x
  2. Step 2: Convert to fraction form
    4,125.72/6,188.58 = 1,005.72/x
  3. Step 3: Cross multiply
    4,125.72x = 6,188.58 × 1,005.72
  4. Step 4: Simplify right side
    4,125.72x = 6,223,978.68
  5. Step 5: Solve for x
    x = 6,223,978.68/4,125.72
  6. Step 6: Final answer
    x = 1,508.58

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1.5x scale

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.