Home / 8,664.77-11,961.98-6,670.96

Finding the Fourth Proportional to 8,664.77, 11,961.98 and 6,670.96

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Solution

The fourth proportional to 8,664.77, 11,961.98 and 6,670.96 is: 9,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.77 : 11,961.98 = 6,670.96 : x
  2. Step 2: Convert to fraction form
    8,664.77/11,961.98 = 6,670.96/x
  3. Step 3: Cross multiply
    8,664.77x = 11,961.98 × 6,670.96
  4. Step 4: Simplify right side
    8,664.77x = 79,797,851.86
  5. Step 5: Solve for x
    x = 79,797,851.86/8,664.77
  6. Step 6: Final answer
    x = 9,209.46

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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.