Home / 8,355.37-11,530.20-4,818.91

Finding the Fourth Proportional to 8,355.37, 11,530.20 and 4,818.91

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Solution

The fourth proportional to 8,355.37, 11,530.20 and 4,818.91 is: 6,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.37 : 11,530.20 = 4,818.91 : x
  2. Step 2: Convert to fraction form
    8,355.37/11,530.20 = 4,818.91/x
  3. Step 3: Cross multiply
    8,355.37x = 11,530.20 × 4,818.91
  4. Step 4: Simplify right side
    8,355.37x = 55,562,996.08
  5. Step 5: Solve for x
    x = 55,562,996.08/8,355.37
  6. Step 6: Final answer
    x = 6,649.97

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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.