Home / 4,321.20-6,482.70-2,470.80

Finding the Fourth Proportional to 4,321.20, 6,482.70 and 2,470.80

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Solution

The fourth proportional to 4,321.20, 6,482.70 and 2,470.80 is: 3,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.20 : 6,482.70 = 2,470.80 : x
  2. Step 2: Convert to fraction form
    4,321.20/6,482.70 = 2,470.80/x
  3. Step 3: Cross multiply
    4,321.20x = 6,482.70 × 2,470.80
  4. Step 4: Simplify right side
    4,321.20x = 16,017,455.16
  5. Step 5: Solve for x
    x = 16,017,455.16/4,321.20
  6. Step 6: Final answer
    x = 3,706.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.