Home / 4,624.20-6,378.90-2,760.84

Finding the Fourth Proportional to 4,624.20, 6,378.90 and 2,760.84

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Solution

The fourth proportional to 4,624.20, 6,378.90 and 2,760.84 is: 3,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.20 : 6,378.90 = 2,760.84 : x
  2. Step 2: Convert to fraction form
    4,624.20/6,378.90 = 2,760.84/x
  3. Step 3: Cross multiply
    4,624.20x = 6,378.90 × 2,760.84
  4. Step 4: Simplify right side
    4,624.20x = 17,611,122.28
  5. Step 5: Solve for x
    x = 17,611,122.28/4,624.20
  6. Step 6: Final answer
    x = 3,808.47

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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.