Home / 5,792.20-8,688.30-5,273.80

Finding the Fourth Proportional to 5,792.20, 8,688.30 and 5,273.80

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Solution

The fourth proportional to 5,792.20, 8,688.30 and 5,273.80 is: 7,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.20 : 8,688.30 = 5,273.80 : x
  2. Step 2: Convert to fraction form
    5,792.20/8,688.30 = 5,273.80/x
  3. Step 3: Cross multiply
    5,792.20x = 8,688.30 × 5,273.80
  4. Step 4: Simplify right side
    5,792.20x = 45,820,356.54
  5. Step 5: Solve for x
    x = 45,820,356.54/5,792.20
  6. Step 6: Final answer
    x = 7,910.70

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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.