Home / 4,620.60-6,381.18-3,562.20

Finding the Fourth Proportional to 4,620.60, 6,381.18 and 3,562.20

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Solution

The fourth proportional to 4,620.60, 6,381.18 and 3,562.20 is: 4,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.60 : 6,381.18 = 3,562.20 : x
  2. Step 2: Convert to fraction form
    4,620.60/6,381.18 = 3,562.20/x
  3. Step 3: Cross multiply
    4,620.60x = 6,381.18 × 3,562.20
  4. Step 4: Simplify right side
    4,620.60x = 22,731,039.40
  5. Step 5: Solve for x
    x = 22,731,039.40/4,620.60
  6. Step 6: Final answer
    x = 4,919.50

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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.