Home / 9,270.54-12,783.76-6,441.12

Finding the Fourth Proportional to 9,270.54, 12,783.76 and 6,441.12

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Solution

The fourth proportional to 9,270.54, 12,783.76 and 6,441.12 is: 8,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.54 : 12,783.76 = 6,441.12 : x
  2. Step 2: Convert to fraction form
    9,270.54/12,783.76 = 6,441.12/x
  3. Step 3: Cross multiply
    9,270.54x = 12,783.76 × 6,441.12
  4. Step 4: Simplify right side
    9,270.54x = 82,341,716.11
  5. Step 5: Solve for x
    x = 82,341,716.11/9,270.54
  6. Step 6: Final answer
    x = 8,882.08

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.