Home / 5,185.42-7,765.74-2,841.90

Finding the Fourth Proportional to 5,185.42, 7,765.74 and 2,841.90

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Solution

The fourth proportional to 5,185.42, 7,765.74 and 2,841.90 is: 4,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.42 : 7,765.74 = 2,841.90 : x
  2. Step 2: Convert to fraction form
    5,185.42/7,765.74 = 2,841.90/x
  3. Step 3: Cross multiply
    5,185.42x = 7,765.74 × 2,841.90
  4. Step 4: Simplify right side
    5,185.42x = 22,069,456.51
  5. Step 5: Solve for x
    x = 22,069,456.51/5,185.42
  6. Step 6: Final answer
    x = 4,256.06

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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.