Home / 7,865.13-11,795.81-2,316.98

Finding the Fourth Proportional to 7,865.13, 11,795.81 and 2,316.98

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Solution

The fourth proportional to 7,865.13, 11,795.81 and 2,316.98 is: 3,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.13 : 11,795.81 = 2,316.98 : x
  2. Step 2: Convert to fraction form
    7,865.13/11,795.81 = 2,316.98/x
  3. Step 3: Cross multiply
    7,865.13x = 11,795.81 × 2,316.98
  4. Step 4: Simplify right side
    7,865.13x = 27,330,585.29
  5. Step 5: Solve for x
    x = 27,330,585.29/7,865.13
  6. Step 6: Final answer
    x = 3,474.91

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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.