Home / 8,259.02-11,396.67-6,690.86

Finding the Fourth Proportional to 8,259.02, 11,396.67 and 6,690.86

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Solution

The fourth proportional to 8,259.02, 11,396.67 and 6,690.86 is: 9,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.02 : 11,396.67 = 6,690.86 : x
  2. Step 2: Convert to fraction form
    8,259.02/11,396.67 = 6,690.86/x
  3. Step 3: Cross multiply
    8,259.02x = 11,396.67 × 6,690.86
  4. Step 4: Simplify right side
    8,259.02x = 76,253,523.44
  5. Step 5: Solve for x
    x = 76,253,523.44/8,259.02
  6. Step 6: Final answer
    x = 9,232.76

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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.