Home / 6,942.76-9,580.26-3,957.64

Finding the Fourth Proportional to 6,942.76, 9,580.26 and 3,957.64

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Solution

The fourth proportional to 6,942.76, 9,580.26 and 3,957.64 is: 5,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.76 : 9,580.26 = 3,957.64 : x
  2. Step 2: Convert to fraction form
    6,942.76/9,580.26 = 3,957.64/x
  3. Step 3: Cross multiply
    6,942.76x = 9,580.26 × 3,957.64
  4. Step 4: Simplify right side
    6,942.76x = 37,915,220.19
  5. Step 5: Solve for x
    x = 37,915,220.19/6,942.76
  6. Step 6: Final answer
    x = 5,461.12

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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.