Home / 8,266.67-11,406.79-4,909.63

Finding the Fourth Proportional to 8,266.67, 11,406.79 and 4,909.63

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Solution

The fourth proportional to 8,266.67, 11,406.79 and 4,909.63 is: 6,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.67 : 11,406.79 = 4,909.63 : x
  2. Step 2: Convert to fraction form
    8,266.67/11,406.79 = 4,909.63/x
  3. Step 3: Cross multiply
    8,266.67x = 11,406.79 × 4,909.63
  4. Step 4: Simplify right side
    8,266.67x = 56,003,118.39
  5. Step 5: Solve for x
    x = 56,003,118.39/8,266.67
  6. Step 6: Final answer
    x = 6,774.57

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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.