Home / 4,245.75-6,369.35-1,323.47

Finding the Fourth Proportional to 4,245.75, 6,369.35 and 1,323.47

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Solution

The fourth proportional to 4,245.75, 6,369.35 and 1,323.47 is: 1,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.75 : 6,369.35 = 1,323.47 : x
  2. Step 2: Convert to fraction form
    4,245.75/6,369.35 = 1,323.47/x
  3. Step 3: Cross multiply
    4,245.75x = 6,369.35 × 1,323.47
  4. Step 4: Simplify right side
    4,245.75x = 8,429,652.95
  5. Step 5: Solve for x
    x = 8,429,652.95/4,245.75
  6. Step 6: Final answer
    x = 1,985.43

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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.