Home / 4,245.27-6,368.20-1,777.61

Finding the Fourth Proportional to 4,245.27, 6,368.20 and 1,777.61

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Solution

The fourth proportional to 4,245.27, 6,368.20 and 1,777.61 is: 2,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.27 : 6,368.20 = 1,777.61 : x
  2. Step 2: Convert to fraction form
    4,245.27/6,368.20 = 1,777.61/x
  3. Step 3: Cross multiply
    4,245.27x = 6,368.20 × 1,777.61
  4. Step 4: Simplify right side
    4,245.27x = 11,320,139.72
  5. Step 5: Solve for x
    x = 11,320,139.72/4,245.27
  6. Step 6: Final answer
    x = 2,666.53

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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.