Home / 7,668.72-11,503.08-3,285.81

Finding the Fourth Proportional to 7,668.72, 11,503.08 and 3,285.81

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Solution

The fourth proportional to 7,668.72, 11,503.08 and 3,285.81 is: 4,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.72 : 11,503.08 = 3,285.81 : x
  2. Step 2: Convert to fraction form
    7,668.72/11,503.08 = 3,285.81/x
  3. Step 3: Cross multiply
    7,668.72x = 11,503.08 × 3,285.81
  4. Step 4: Simplify right side
    7,668.72x = 37,796,935.29
  5. Step 5: Solve for x
    x = 37,796,935.29/7,668.72
  6. Step 6: Final answer
    x = 4,928.72

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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.