Home / 4,620.98-6,378.09-3,873.76

Finding the Fourth Proportional to 4,620.98, 6,378.09 and 3,873.76

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Solution

The fourth proportional to 4,620.98, 6,378.09 and 3,873.76 is: 5,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.98 : 6,378.09 = 3,873.76 : x
  2. Step 2: Convert to fraction form
    4,620.98/6,378.09 = 3,873.76/x
  3. Step 3: Cross multiply
    4,620.98x = 6,378.09 × 3,873.76
  4. Step 4: Simplify right side
    4,620.98x = 24,707,181.24
  5. Step 5: Solve for x
    x = 24,707,181.24/4,620.98
  6. Step 6: Final answer
    x = 5,346.74

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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.