Home / 5,534.69-7,636.99-3,111.57

Finding the Fourth Proportional to 5,534.69, 7,636.99 and 3,111.57

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Solution

The fourth proportional to 5,534.69, 7,636.99 and 3,111.57 is: 4,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.69 : 7,636.99 = 3,111.57 : x
  2. Step 2: Convert to fraction form
    5,534.69/7,636.99 = 3,111.57/x
  3. Step 3: Cross multiply
    5,534.69x = 7,636.99 × 3,111.57
  4. Step 4: Simplify right side
    5,534.69x = 23,763,021.20
  5. Step 5: Solve for x
    x = 23,763,021.20/5,534.69
  6. Step 6: Final answer
    x = 4,293.47

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1.5x scale

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.