Home / 4,125.13-6,188.61-1,660.09

Finding the Fourth Proportional to 4,125.13, 6,188.61 and 1,660.09

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Solution

The fourth proportional to 4,125.13, 6,188.61 and 1,660.09 is: 2,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.13 : 6,188.61 = 1,660.09 : x
  2. Step 2: Convert to fraction form
    4,125.13/6,188.61 = 1,660.09/x
  3. Step 3: Cross multiply
    4,125.13x = 6,188.61 × 1,660.09
  4. Step 4: Simplify right side
    4,125.13x = 10,273,649.57
  5. Step 5: Solve for x
    x = 10,273,649.57/4,125.13
  6. Step 6: Final answer
    x = 2,490.50

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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.