Home / 5,518.73-7,611.77-4,004.13

Finding the Fourth Proportional to 5,518.73, 7,611.77 and 4,004.13

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Solution

The fourth proportional to 5,518.73, 7,611.77 and 4,004.13 is: 5,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.73 : 7,611.77 = 4,004.13 : x
  2. Step 2: Convert to fraction form
    5,518.73/7,611.77 = 4,004.13/x
  3. Step 3: Cross multiply
    5,518.73x = 7,611.77 × 4,004.13
  4. Step 4: Simplify right side
    5,518.73x = 30,478,496.59
  5. Step 5: Solve for x
    x = 30,478,496.59/5,518.73
  6. Step 6: Final answer
    x = 5,522.74

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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.