Home / 5,343.20-8,015.20-1,447.54

Finding the Fourth Proportional to 5,343.20, 8,015.20 and 1,447.54

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Solution

The fourth proportional to 5,343.20, 8,015.20 and 1,447.54 is: 2,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.20 : 8,015.20 = 1,447.54 : x
  2. Step 2: Convert to fraction form
    5,343.20/8,015.20 = 1,447.54/x
  3. Step 3: Cross multiply
    5,343.20x = 8,015.20 × 1,447.54
  4. Step 4: Simplify right side
    5,343.20x = 11,602,322.61
  5. Step 5: Solve for x
    x = 11,602,322.61/5,343.20
  6. Step 6: Final answer
    x = 2,171.42

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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.