Home / 5,469.88-7,547.62-3,079.50

Finding the Fourth Proportional to 5,469.88, 7,547.62 and 3,079.50

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Solution

The fourth proportional to 5,469.88, 7,547.62 and 3,079.50 is: 4,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.88 : 7,547.62 = 3,079.50 : x
  2. Step 2: Convert to fraction form
    5,469.88/7,547.62 = 3,079.50/x
  3. Step 3: Cross multiply
    5,469.88x = 7,547.62 × 3,079.50
  4. Step 4: Simplify right side
    5,469.88x = 23,242,895.79
  5. Step 5: Solve for x
    x = 23,242,895.79/5,469.88
  6. Step 6: Final answer
    x = 4,249.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.