Home / 5,185.50-7,155.99-3,092.46

Finding the Fourth Proportional to 5,185.50, 7,155.99 and 3,092.46

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Solution

The fourth proportional to 5,185.50, 7,155.99 and 3,092.46 is: 4,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.50 : 7,155.99 = 3,092.46 : x
  2. Step 2: Convert to fraction form
    5,185.50/7,155.99 = 3,092.46/x
  3. Step 3: Cross multiply
    5,185.50x = 7,155.99 × 3,092.46
  4. Step 4: Simplify right side
    5,185.50x = 22,129,612.84
  5. Step 5: Solve for x
    x = 22,129,612.84/5,185.50
  6. Step 6: Final answer
    x = 4,267.59

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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.