Home / 4,375.28-6,563.56-1,777.68

Finding the Fourth Proportional to 4,375.28, 6,563.56 and 1,777.68

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Solution

The fourth proportional to 4,375.28, 6,563.56 and 1,777.68 is: 2,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.28 : 6,563.56 = 1,777.68 : x
  2. Step 2: Convert to fraction form
    4,375.28/6,563.56 = 1,777.68/x
  3. Step 3: Cross multiply
    4,375.28x = 6,563.56 × 1,777.68
  4. Step 4: Simplify right side
    4,375.28x = 11,667,909.34
  5. Step 5: Solve for x
    x = 11,667,909.34/4,375.28
  6. Step 6: Final answer
    x = 2,666.78

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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.