Home / 4,881.56-6,735.66-2,892.20

Finding the Fourth Proportional to 4,881.56, 6,735.66 and 2,892.20

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Solution

The fourth proportional to 4,881.56, 6,735.66 and 2,892.20 is: 3,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.56 : 6,735.66 = 2,892.20 : x
  2. Step 2: Convert to fraction form
    4,881.56/6,735.66 = 2,892.20/x
  3. Step 3: Cross multiply
    4,881.56x = 6,735.66 × 2,892.20
  4. Step 4: Simplify right side
    4,881.56x = 19,480,875.85
  5. Step 5: Solve for x
    x = 19,480,875.85/4,881.56
  6. Step 6: Final answer
    x = 3,990.71

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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.