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Finding the Fourth Proportional to 6,520.88, 9,779.78 and 3,008.69

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Solution

The fourth proportional to 6,520.88, 9,779.78 and 3,008.69 is: 4,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.88 : 9,779.78 = 3,008.69 : x
  2. Step 2: Convert to fraction form
    6,520.88/9,779.78 = 3,008.69/x
  3. Step 3: Cross multiply
    6,520.88x = 9,779.78 × 3,008.69
  4. Step 4: Simplify right side
    6,520.88x = 29,424,262.35
  5. Step 5: Solve for x
    x = 29,424,262.35/6,520.88
  6. Step 6: Final answer
    x = 4,512.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.