Home / 7,769.29-11,653.78-1,925.89

Finding the Fourth Proportional to 7,769.29, 11,653.78 and 1,925.89

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Solution

The fourth proportional to 7,769.29, 11,653.78 and 1,925.89 is: 2,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.29 : 11,653.78 = 1,925.89 : x
  2. Step 2: Convert to fraction form
    7,769.29/11,653.78 = 1,925.89/x
  3. Step 3: Cross multiply
    7,769.29x = 11,653.78 × 1,925.89
  4. Step 4: Simplify right side
    7,769.29x = 22,443,898.36
  5. Step 5: Solve for x
    x = 22,443,898.36/7,769.29
  6. Step 6: Final answer
    x = 2,888.80

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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.