Home / 7,741.20-10,680.24-4,383.64

Finding the Fourth Proportional to 7,741.20, 10,680.24 and 4,383.64

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Solution

The fourth proportional to 7,741.20, 10,680.24 and 4,383.64 is: 6,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.20 : 10,680.24 = 4,383.64 : x
  2. Step 2: Convert to fraction form
    7,741.20/10,680.24 = 4,383.64/x
  3. Step 3: Cross multiply
    7,741.20x = 10,680.24 × 4,383.64
  4. Step 4: Simplify right side
    7,741.20x = 46,818,327.27
  5. Step 5: Solve for x
    x = 46,818,327.27/7,741.20
  6. Step 6: Final answer
    x = 6,047.94

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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.