Home / 5,378.54-8,062.92-1,914.98

Finding the Fourth Proportional to 5,378.54, 8,062.92 and 1,914.98

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Solution

The fourth proportional to 5,378.54, 8,062.92 and 1,914.98 is: 2,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.54 : 8,062.92 = 1,914.98 : x
  2. Step 2: Convert to fraction form
    5,378.54/8,062.92 = 1,914.98/x
  3. Step 3: Cross multiply
    5,378.54x = 8,062.92 × 1,914.98
  4. Step 4: Simplify right side
    5,378.54x = 15,440,290.23
  5. Step 5: Solve for x
    x = 15,440,290.23/5,378.54
  6. Step 6: Final answer
    x = 2,870.72

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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.