Home / 7,491.60-11,230.20-5,824.80

Finding the Fourth Proportional to 7,491.60, 11,230.20 and 5,824.80

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Solution

The fourth proportional to 7,491.60, 11,230.20 and 5,824.80 is: 8,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.60 : 11,230.20 = 5,824.80 : x
  2. Step 2: Convert to fraction form
    7,491.60/11,230.20 = 5,824.80/x
  3. Step 3: Cross multiply
    7,491.60x = 11,230.20 × 5,824.80
  4. Step 4: Simplify right side
    7,491.60x = 65,413,668.96
  5. Step 5: Solve for x
    x = 65,413,668.96/7,491.60
  6. Step 6: Final answer
    x = 8,731.60

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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.