Home / 8,079.76-11,156.34-6,308.26

Finding the Fourth Proportional to 8,079.76, 11,156.34 and 6,308.26

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Solution

The fourth proportional to 8,079.76, 11,156.34 and 6,308.26 is: 8,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.76 : 11,156.34 = 6,308.26 : x
  2. Step 2: Convert to fraction form
    8,079.76/11,156.34 = 6,308.26/x
  3. Step 3: Cross multiply
    8,079.76x = 11,156.34 × 6,308.26
  4. Step 4: Simplify right side
    8,079.76x = 70,377,093.37
  5. Step 5: Solve for x
    x = 70,377,093.37/8,079.76
  6. Step 6: Final answer
    x = 8,710.30

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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.