Home / 6,187.31-9,280.96-1,805.12

Finding the Fourth Proportional to 6,187.31, 9,280.96 and 1,805.12

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Solution

The fourth proportional to 6,187.31, 9,280.96 and 1,805.12 is: 2,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.31 : 9,280.96 = 1,805.12 : x
  2. Step 2: Convert to fraction form
    6,187.31/9,280.96 = 1,805.12/x
  3. Step 3: Cross multiply
    6,187.31x = 9,280.96 × 1,805.12
  4. Step 4: Simplify right side
    6,187.31x = 16,753,191.08
  5. Step 5: Solve for x
    x = 16,753,191.08/6,187.31
  6. Step 6: Final answer
    x = 2,707.67

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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.