Home / 5,180.61-7,146.84-3,054.69

Finding the Fourth Proportional to 5,180.61, 7,146.84 and 3,054.69

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Solution

The fourth proportional to 5,180.61, 7,146.84 and 3,054.69 is: 4,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.61 : 7,146.84 = 3,054.69 : x
  2. Step 2: Convert to fraction form
    5,180.61/7,146.84 = 3,054.69/x
  3. Step 3: Cross multiply
    5,180.61x = 7,146.84 × 3,054.69
  4. Step 4: Simplify right side
    5,180.61x = 21,831,380.68
  5. Step 5: Solve for x
    x = 21,831,380.68/5,180.61
  6. Step 6: Final answer
    x = 4,214.06

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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.