Home / 5,078.28-7,615.64-3,444.78

Finding the Fourth Proportional to 5,078.28, 7,615.64 and 3,444.78

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Solution

The fourth proportional to 5,078.28, 7,615.64 and 3,444.78 is: 5,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.28 : 7,615.64 = 3,444.78 : x
  2. Step 2: Convert to fraction form
    5,078.28/7,615.64 = 3,444.78/x
  3. Step 3: Cross multiply
    5,078.28x = 7,615.64 × 3,444.78
  4. Step 4: Simplify right side
    5,078.28x = 26,234,204.36
  5. Step 5: Solve for x
    x = 26,234,204.36/5,078.28
  6. Step 6: Final answer
    x = 5,165.96

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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.