Home / 7,286.63-10,056.83-4,142.21

Finding the Fourth Proportional to 7,286.63, 10,056.83 and 4,142.21

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Solution

The fourth proportional to 7,286.63, 10,056.83 and 4,142.21 is: 5,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.63 : 10,056.83 = 4,142.21 : x
  2. Step 2: Convert to fraction form
    7,286.63/10,056.83 = 4,142.21/x
  3. Step 3: Cross multiply
    7,286.63x = 10,056.83 × 4,142.21
  4. Step 4: Simplify right side
    7,286.63x = 41,657,430.80
  5. Step 5: Solve for x
    x = 41,657,430.80/7,286.63
  6. Step 6: Final answer
    x = 5,716.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.