Home / 5,245.92-7,866.24-2,320.80

Finding the Fourth Proportional to 5,245.92, 7,866.24 and 2,320.80

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Solution

The fourth proportional to 5,245.92, 7,866.24 and 2,320.80 is: 3,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.92 : 7,866.24 = 2,320.80 : x
  2. Step 2: Convert to fraction form
    5,245.92/7,866.24 = 2,320.80/x
  3. Step 3: Cross multiply
    5,245.92x = 7,866.24 × 2,320.80
  4. Step 4: Simplify right side
    5,245.92x = 18,255,969.79
  5. Step 5: Solve for x
    x = 18,255,969.79/5,245.92
  6. Step 6: Final answer
    x = 3,480.03

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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.