Home / 5,427.47-8,148.74-2,796.86

Finding the Fourth Proportional to 5,427.47, 8,148.74 and 2,796.86

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Solution

The fourth proportional to 5,427.47, 8,148.74 and 2,796.86 is: 4,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.47 : 8,148.74 = 2,796.86 : x
  2. Step 2: Convert to fraction form
    5,427.47/8,148.74 = 2,796.86/x
  3. Step 3: Cross multiply
    5,427.47x = 8,148.74 × 2,796.86
  4. Step 4: Simplify right side
    5,427.47x = 22,790,884.96
  5. Step 5: Solve for x
    x = 22,790,884.96/5,427.47
  6. Step 6: Final answer
    x = 4,199.17

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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.