Home / 7,313.53-10,971.47-2,382.79

Finding the Fourth Proportional to 7,313.53, 10,971.47 and 2,382.79

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Solution

The fourth proportional to 7,313.53, 10,971.47 and 2,382.79 is: 3,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.53 : 10,971.47 = 2,382.79 : x
  2. Step 2: Convert to fraction form
    7,313.53/10,971.47 = 2,382.79/x
  3. Step 3: Cross multiply
    7,313.53x = 10,971.47 × 2,382.79
  4. Step 4: Simplify right side
    7,313.53x = 26,142,709.00
  5. Step 5: Solve for x
    x = 26,142,709.00/7,313.53
  6. Step 6: Final answer
    x = 3,574.57

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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.