Home / 5,200.05-7,803.33-2,079.60

Finding the Fourth Proportional to 5,200.05, 7,803.33 and 2,079.60

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Solution

The fourth proportional to 5,200.05, 7,803.33 and 2,079.60 is: 3,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.05 : 7,803.33 = 2,079.60 : x
  2. Step 2: Convert to fraction form
    5,200.05/7,803.33 = 2,079.60/x
  3. Step 3: Cross multiply
    5,200.05x = 7,803.33 × 2,079.60
  4. Step 4: Simplify right side
    5,200.05x = 16,227,805.07
  5. Step 5: Solve for x
    x = 16,227,805.07/5,200.05
  6. Step 6: Final answer
    x = 3,120.70

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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.