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Finding the Fourth Proportional to 8,346.58, 11,518.24 and 4,518.22

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Solution

The fourth proportional to 8,346.58, 11,518.24 and 4,518.22 is: 6,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.58 : 11,518.24 = 4,518.22 : x
  2. Step 2: Convert to fraction form
    8,346.58/11,518.24 = 4,518.22/x
  3. Step 3: Cross multiply
    8,346.58x = 11,518.24 × 4,518.22
  4. Step 4: Simplify right side
    8,346.58x = 52,041,910.71
  5. Step 5: Solve for x
    x = 52,041,910.71/8,346.58
  6. Step 6: Final answer
    x = 6,235.12

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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.