Home / 7,736.20-10,669.08-6,243.64

Finding the Fourth Proportional to 7,736.20, 10,669.08 and 6,243.64

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Solution

The fourth proportional to 7,736.20, 10,669.08 and 6,243.64 is: 8,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.20 : 10,669.08 = 6,243.64 : x
  2. Step 2: Convert to fraction form
    7,736.20/10,669.08 = 6,243.64/x
  3. Step 3: Cross multiply
    7,736.20x = 10,669.08 × 6,243.64
  4. Step 4: Simplify right side
    7,736.20x = 66,613,894.65
  5. Step 5: Solve for x
    x = 66,613,894.65/7,736.20
  6. Step 6: Final answer
    x = 8,610.67

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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.