Home / 4,741.20-7,103.34-2,891.40

Finding the Fourth Proportional to 4,741.20, 7,103.34 and 2,891.40

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Solution

The fourth proportional to 4,741.20, 7,103.34 and 2,891.40 is: 4,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.20 : 7,103.34 = 2,891.40 : x
  2. Step 2: Convert to fraction form
    4,741.20/7,103.34 = 2,891.40/x
  3. Step 3: Cross multiply
    4,741.20x = 7,103.34 × 2,891.40
  4. Step 4: Simplify right side
    4,741.20x = 20,538,597.28
  5. Step 5: Solve for x
    x = 20,538,597.28/4,741.20
  6. Step 6: Final answer
    x = 4,331.94

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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.