Home / 7,823.83-11,740.28-2,896.93

Finding the Fourth Proportional to 7,823.83, 11,740.28 and 2,896.93

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Solution

The fourth proportional to 7,823.83, 11,740.28 and 2,896.93 is: 4,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.83 : 11,740.28 = 2,896.93 : x
  2. Step 2: Convert to fraction form
    7,823.83/11,740.28 = 2,896.93/x
  3. Step 3: Cross multiply
    7,823.83x = 11,740.28 × 2,896.93
  4. Step 4: Simplify right side
    7,823.83x = 34,010,769.34
  5. Step 5: Solve for x
    x = 34,010,769.34/7,823.83
  6. Step 6: Final answer
    x = 4,347.07

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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.