Home / 4,245.45-6,368.87-1,323.16

Finding the Fourth Proportional to 4,245.45, 6,368.87 and 1,323.16

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Solution

The fourth proportional to 4,245.45, 6,368.87 and 1,323.16 is: 1,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.45 : 6,368.87 = 1,323.16 : x
  2. Step 2: Convert to fraction form
    4,245.45/6,368.87 = 1,323.16/x
  3. Step 3: Cross multiply
    4,245.45x = 6,368.87 × 1,323.16
  4. Step 4: Simplify right side
    4,245.45x = 8,427,034.03
  5. Step 5: Solve for x
    x = 8,427,034.03/4,245.45
  6. Step 6: Final answer
    x = 1,984.96

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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.