Home / 8,264.88-11,421.90-6,770.43

Finding the Fourth Proportional to 8,264.88, 11,421.90 and 6,770.43

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Solution

The fourth proportional to 8,264.88, 11,421.90 and 6,770.43 is: 9,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.88 : 11,421.90 = 6,770.43 : x
  2. Step 2: Convert to fraction form
    8,264.88/11,421.90 = 6,770.43/x
  3. Step 3: Cross multiply
    8,264.88x = 11,421.90 × 6,770.43
  4. Step 4: Simplify right side
    8,264.88x = 77,331,174.42
  5. Step 5: Solve for x
    x = 77,331,174.42/8,264.88
  6. Step 6: Final answer
    x = 9,356.60

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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.