Home / 8,311.86-11,467.83-4,726.55

Finding the Fourth Proportional to 8,311.86, 11,467.83 and 4,726.55

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Solution

The fourth proportional to 8,311.86, 11,467.83 and 4,726.55 is: 6,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.86 : 11,467.83 = 4,726.55 : x
  2. Step 2: Convert to fraction form
    8,311.86/11,467.83 = 4,726.55/x
  3. Step 3: Cross multiply
    8,311.86x = 11,467.83 × 4,726.55
  4. Step 4: Simplify right side
    8,311.86x = 54,203,214.55
  5. Step 5: Solve for x
    x = 54,203,214.55/8,311.86
  6. Step 6: Final answer
    x = 6,521.19

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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.