Home / 5,186.89-7,157.73-2,948.73

Finding the Fourth Proportional to 5,186.89, 7,157.73 and 2,948.73

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Solution

The fourth proportional to 5,186.89, 7,157.73 and 2,948.73 is: 4,069.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.89 : 7,157.73 = 2,948.73 : x
  2. Step 2: Convert to fraction form
    5,186.89/7,157.73 = 2,948.73/x
  3. Step 3: Cross multiply
    5,186.89x = 7,157.73 × 2,948.73
  4. Step 4: Simplify right side
    5,186.89x = 21,106,213.18
  5. Step 5: Solve for x
    x = 21,106,213.18/5,186.89
  6. Step 6: Final answer
    x = 4,069.15

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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.