Home / 9,076.76-12,530.70-6,108.20

Finding the Fourth Proportional to 9,076.76, 12,530.70 and 6,108.20

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Solution

The fourth proportional to 9,076.76, 12,530.70 and 6,108.20 is: 8,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.76 : 12,530.70 = 6,108.20 : x
  2. Step 2: Convert to fraction form
    9,076.76/12,530.70 = 6,108.20/x
  3. Step 3: Cross multiply
    9,076.76x = 12,530.70 × 6,108.20
  4. Step 4: Simplify right side
    9,076.76x = 76,540,021.74
  5. Step 5: Solve for x
    x = 76,540,021.74/9,076.76
  6. Step 6: Final answer
    x = 8,432.53

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Half scale
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Double scale
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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.