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Finding the Fourth Proportional to 8,508.54, 11,741.85 and 4,782.54

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Solution

The fourth proportional to 8,508.54, 11,741.85 and 4,782.54 is: 6,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.54 : 11,741.85 = 4,782.54 : x
  2. Step 2: Convert to fraction form
    8,508.54/11,741.85 = 4,782.54/x
  3. Step 3: Cross multiply
    8,508.54x = 11,741.85 × 4,782.54
  4. Step 4: Simplify right side
    8,508.54x = 56,155,867.30
  5. Step 5: Solve for x
    x = 56,155,867.30/8,508.54
  6. Step 6: Final answer
    x = 6,599.94

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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.