Home / 4,125.52-6,188.30-1,389.52

Finding the Fourth Proportional to 4,125.52, 6,188.30 and 1,389.52

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Solution

The fourth proportional to 4,125.52, 6,188.30 and 1,389.52 is: 2,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.52 : 6,188.30 = 1,389.52 : x
  2. Step 2: Convert to fraction form
    4,125.52/6,188.30 = 1,389.52/x
  3. Step 3: Cross multiply
    4,125.52x = 6,188.30 × 1,389.52
  4. Step 4: Simplify right side
    4,125.52x = 8,598,766.62
  5. Step 5: Solve for x
    x = 8,598,766.62/4,125.52
  6. Step 6: Final answer
    x = 2,084.29

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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.