Home / 5,185.32-7,765.52-2,841.80

Finding the Fourth Proportional to 5,185.32, 7,765.52 and 2,841.80

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Solution

The fourth proportional to 5,185.32, 7,765.52 and 2,841.80 is: 4,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.32 : 7,765.52 = 2,841.80 : x
  2. Step 2: Convert to fraction form
    5,185.32/7,765.52 = 2,841.80/x
  3. Step 3: Cross multiply
    5,185.32x = 7,765.52 × 2,841.80
  4. Step 4: Simplify right side
    5,185.32x = 22,068,054.74
  5. Step 5: Solve for x
    x = 22,068,054.74/5,185.32
  6. Step 6: Final answer
    x = 4,255.87

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1.5x scale

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.