Home / 4,944.32-6,822.65-2,820.18

Finding the Fourth Proportional to 4,944.32, 6,822.65 and 2,820.18

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Solution

The fourth proportional to 4,944.32, 6,822.65 and 2,820.18 is: 3,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.32 : 6,822.65 = 2,820.18 : x
  2. Step 2: Convert to fraction form
    4,944.32/6,822.65 = 2,820.18/x
  3. Step 3: Cross multiply
    4,944.32x = 6,822.65 × 2,820.18
  4. Step 4: Simplify right side
    4,944.32x = 19,241,086.98
  5. Step 5: Solve for x
    x = 19,241,086.98/4,944.32
  6. Step 6: Final answer
    x = 3,891.56

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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.