Home / 7,942.50-10,960.96-4,405.64

Finding the Fourth Proportional to 7,942.50, 10,960.96 and 4,405.64

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Solution

The fourth proportional to 7,942.50, 10,960.96 and 4,405.64 is: 6,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.50 : 10,960.96 = 4,405.64 : x
  2. Step 2: Convert to fraction form
    7,942.50/10,960.96 = 4,405.64/x
  3. Step 3: Cross multiply
    7,942.50x = 10,960.96 × 4,405.64
  4. Step 4: Simplify right side
    7,942.50x = 48,290,043.81
  5. Step 5: Solve for x
    x = 48,290,043.81/7,942.50
  6. Step 6: Final answer
    x = 6,079.96

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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.