Home / 5,547.56-8,321.32-2,919.48

Finding the Fourth Proportional to 5,547.56, 8,321.32 and 2,919.48

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Solution

The fourth proportional to 5,547.56, 8,321.32 and 2,919.48 is: 4,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.56 : 8,321.32 = 2,919.48 : x
  2. Step 2: Convert to fraction form
    5,547.56/8,321.32 = 2,919.48/x
  3. Step 3: Cross multiply
    5,547.56x = 8,321.32 × 2,919.48
  4. Step 4: Simplify right side
    5,547.56x = 24,293,927.31
  5. Step 5: Solve for x
    x = 24,293,927.31/5,547.56
  6. Step 6: Final answer
    x = 4,379.21

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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.