Home / 5,376.56-8,065.79-2,455.16

Finding the Fourth Proportional to 5,376.56, 8,065.79 and 2,455.16

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Solution

The fourth proportional to 5,376.56, 8,065.79 and 2,455.16 is: 3,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.56 : 8,065.79 = 2,455.16 : x
  2. Step 2: Convert to fraction form
    5,376.56/8,065.79 = 2,455.16/x
  3. Step 3: Cross multiply
    5,376.56x = 8,065.79 × 2,455.16
  4. Step 4: Simplify right side
    5,376.56x = 19,802,804.98
  5. Step 5: Solve for x
    x = 19,802,804.98/5,376.56
  6. Step 6: Final answer
    x = 3,683.17

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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.