Home / 4,323.20-6,485.70-2,472.80

Finding the Fourth Proportional to 4,323.20, 6,485.70 and 2,472.80

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Solution

The fourth proportional to 4,323.20, 6,485.70 and 2,472.80 is: 3,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.20 : 6,485.70 = 2,472.80 : x
  2. Step 2: Convert to fraction form
    4,323.20/6,485.70 = 2,472.80/x
  3. Step 3: Cross multiply
    4,323.20x = 6,485.70 × 2,472.80
  4. Step 4: Simplify right side
    4,323.20x = 16,037,838.96
  5. Step 5: Solve for x
    x = 16,037,838.96/4,323.20
  6. Step 6: Final answer
    x = 3,709.71

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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.