Home / 4,140.79-6,200.21-2,187.07

Finding the Fourth Proportional to 4,140.79, 6,200.21 and 2,187.07

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Solution

The fourth proportional to 4,140.79, 6,200.21 and 2,187.07 is: 3,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.79 : 6,200.21 = 2,187.07 : x
  2. Step 2: Convert to fraction form
    4,140.79/6,200.21 = 2,187.07/x
  3. Step 3: Cross multiply
    4,140.79x = 6,200.21 × 2,187.07
  4. Step 4: Simplify right side
    4,140.79x = 13,560,283.25
  5. Step 5: Solve for x
    x = 13,560,283.25/4,140.79
  6. Step 6: Final answer
    x = 3,274.81

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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.