Home / 5,179.19-7,147.53-3,054.92

Finding the Fourth Proportional to 5,179.19, 7,147.53 and 3,054.92

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Solution

The fourth proportional to 5,179.19, 7,147.53 and 3,054.92 is: 4,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.19 : 7,147.53 = 3,054.92 : x
  2. Step 2: Convert to fraction form
    5,179.19/7,147.53 = 3,054.92/x
  3. Step 3: Cross multiply
    5,179.19x = 7,147.53 × 3,054.92
  4. Step 4: Simplify right side
    5,179.19x = 21,835,096.61
  5. Step 5: Solve for x
    x = 21,835,096.61/5,179.19
  6. Step 6: Final answer
    x = 4,215.93

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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.