Home / 5,345.46-8,019.81-2,422.98

Finding the Fourth Proportional to 5,345.46, 8,019.81 and 2,422.98

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Solution

The fourth proportional to 5,345.46, 8,019.81 and 2,422.98 is: 3,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.46 : 8,019.81 = 2,422.98 : x
  2. Step 2: Convert to fraction form
    5,345.46/8,019.81 = 2,422.98/x
  3. Step 3: Cross multiply
    5,345.46x = 8,019.81 × 2,422.98
  4. Step 4: Simplify right side
    5,345.46x = 19,431,839.23
  5. Step 5: Solve for x
    x = 19,431,839.23/5,345.46
  6. Step 6: Final answer
    x = 3,635.20

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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.