Home / 4,140.28-6,205.02-2,188.36

Finding the Fourth Proportional to 4,140.28, 6,205.02 and 2,188.36

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Solution

The fourth proportional to 4,140.28, 6,205.02 and 2,188.36 is: 3,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.28 : 6,205.02 = 2,188.36 : x
  2. Step 2: Convert to fraction form
    4,140.28/6,205.02 = 2,188.36/x
  3. Step 3: Cross multiply
    4,140.28x = 6,205.02 × 2,188.36
  4. Step 4: Simplify right side
    4,140.28x = 13,578,817.57
  5. Step 5: Solve for x
    x = 13,578,817.57/4,140.28
  6. Step 6: Final answer
    x = 3,279.69

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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.