Home / 7,238.31-10,853.79-3,534.99

Finding the Fourth Proportional to 7,238.31, 10,853.79 and 3,534.99

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Solution

The fourth proportional to 7,238.31, 10,853.79 and 3,534.99 is: 5,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.31 : 10,853.79 = 3,534.99 : x
  2. Step 2: Convert to fraction form
    7,238.31/10,853.79 = 3,534.99/x
  3. Step 3: Cross multiply
    7,238.31x = 10,853.79 × 3,534.99
  4. Step 4: Simplify right side
    7,238.31x = 38,368,039.11
  5. Step 5: Solve for x
    x = 38,368,039.11/7,238.31
  6. Step 6: Final answer
    x = 5,300.69

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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.