Home / 5,453.28-8,178.03-1,556.64

Finding the Fourth Proportional to 5,453.28, 8,178.03 and 1,556.64

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Solution

The fourth proportional to 5,453.28, 8,178.03 and 1,556.64 is: 2,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.28 : 8,178.03 = 1,556.64 : x
  2. Step 2: Convert to fraction form
    5,453.28/8,178.03 = 1,556.64/x
  3. Step 3: Cross multiply
    5,453.28x = 8,178.03 × 1,556.64
  4. Step 4: Simplify right side
    5,453.28x = 12,730,248.62
  5. Step 5: Solve for x
    x = 12,730,248.62/5,453.28
  6. Step 6: Final answer
    x = 2,334.42

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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.