Home / 4,323.63-6,485.44-1,245.63

Finding the Fourth Proportional to 4,323.63, 6,485.44 and 1,245.63

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Solution

The fourth proportional to 4,323.63, 6,485.44 and 1,245.63 is: 1,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.63 : 6,485.44 = 1,245.63 : x
  2. Step 2: Convert to fraction form
    4,323.63/6,485.44 = 1,245.63/x
  3. Step 3: Cross multiply
    4,323.63x = 6,485.44 × 1,245.63
  4. Step 4: Simplify right side
    4,323.63x = 8,078,458.63
  5. Step 5: Solve for x
    x = 8,078,458.63/4,323.63
  6. Step 6: Final answer
    x = 1,868.44

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Half scale
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Double scale
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Similar ratio
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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.