Home / 4,230.31-6,345.76-1,308.23

Finding the Fourth Proportional to 4,230.31, 6,345.76 and 1,308.23

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Solution

The fourth proportional to 4,230.31, 6,345.76 and 1,308.23 is: 1,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.31 : 6,345.76 = 1,308.23 : x
  2. Step 2: Convert to fraction form
    4,230.31/6,345.76 = 1,308.23/x
  3. Step 3: Cross multiply
    4,230.31x = 6,345.76 × 1,308.23
  4. Step 4: Simplify right side
    4,230.31x = 8,301,713.60
  5. Step 5: Solve for x
    x = 8,301,713.60/4,230.31
  6. Step 6: Final answer
    x = 1,962.44

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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.