Home / 4,233.63-6,349.53-1,311.29

Finding the Fourth Proportional to 4,233.63, 6,349.53 and 1,311.29

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Solution

The fourth proportional to 4,233.63, 6,349.53 and 1,311.29 is: 1,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.63 : 6,349.53 = 1,311.29 : x
  2. Step 2: Convert to fraction form
    4,233.63/6,349.53 = 1,311.29/x
  3. Step 3: Cross multiply
    4,233.63x = 6,349.53 × 1,311.29
  4. Step 4: Simplify right side
    4,233.63x = 8,326,043.45
  5. Step 5: Solve for x
    x = 8,326,043.45/4,233.63
  6. Step 6: Final answer
    x = 1,966.64

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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.