Home / 8,230.02-12,345.48-2,387.10

Finding the Fourth Proportional to 8,230.02, 12,345.48 and 2,387.10

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Solution

The fourth proportional to 8,230.02, 12,345.48 and 2,387.10 is: 3,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.02 : 12,345.48 = 2,387.10 : x
  2. Step 2: Convert to fraction form
    8,230.02/12,345.48 = 2,387.10/x
  3. Step 3: Cross multiply
    8,230.02x = 12,345.48 × 2,387.10
  4. Step 4: Simplify right side
    8,230.02x = 29,469,895.31
  5. Step 5: Solve for x
    x = 29,469,895.31/8,230.02
  6. Step 6: Final answer
    x = 3,580.78

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Half scale
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Double scale
Find fourth proportional to 8,231.02, 12,346.98 and 2,388.10
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.