Home / 6,923.40-10,382.54-2,539.72

Finding the Fourth Proportional to 6,923.40, 10,382.54 and 2,539.72

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Solution

The fourth proportional to 6,923.40, 10,382.54 and 2,539.72 is: 3,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.40 : 10,382.54 = 2,539.72 : x
  2. Step 2: Convert to fraction form
    6,923.40/10,382.54 = 2,539.72/x
  3. Step 3: Cross multiply
    6,923.40x = 10,382.54 × 2,539.72
  4. Step 4: Simplify right side
    6,923.40x = 26,368,744.49
  5. Step 5: Solve for x
    x = 26,368,744.49/6,923.40
  6. Step 6: Final answer
    x = 3,808.64

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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.