Home / 5,349.28-8,019.60-2,750.80

Finding the Fourth Proportional to 5,349.28, 8,019.60 and 2,750.80

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Solution

The fourth proportional to 5,349.28, 8,019.60 and 2,750.80 is: 4,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.28 : 8,019.60 = 2,750.80 : x
  2. Step 2: Convert to fraction form
    5,349.28/8,019.60 = 2,750.80/x
  3. Step 3: Cross multiply
    5,349.28x = 8,019.60 × 2,750.80
  4. Step 4: Simplify right side
    5,349.28x = 22,060,315.68
  5. Step 5: Solve for x
    x = 22,060,315.68/5,349.28
  6. Step 6: Final answer
    x = 4,123.98

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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.