Home / 7,904.65-11,857.18-3,743.68

Finding the Fourth Proportional to 7,904.65, 11,857.18 and 3,743.68

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Solution

The fourth proportional to 7,904.65, 11,857.18 and 3,743.68 is: 5,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.65 : 11,857.18 = 3,743.68 : x
  2. Step 2: Convert to fraction form
    7,904.65/11,857.18 = 3,743.68/x
  3. Step 3: Cross multiply
    7,904.65x = 11,857.18 × 3,743.68
  4. Step 4: Simplify right side
    7,904.65x = 44,389,478.26
  5. Step 5: Solve for x
    x = 44,389,478.26/7,904.65
  6. Step 6: Final answer
    x = 5,615.62

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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.