Home / 8,796.30-12,135.22-6,434.34

Finding the Fourth Proportional to 8,796.30, 12,135.22 and 6,434.34

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Solution

The fourth proportional to 8,796.30, 12,135.22 and 6,434.34 is: 8,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.30 : 12,135.22 = 6,434.34 : x
  2. Step 2: Convert to fraction form
    8,796.30/12,135.22 = 6,434.34/x
  3. Step 3: Cross multiply
    8,796.30x = 12,135.22 × 6,434.34
  4. Step 4: Simplify right side
    8,796.30x = 78,082,131.45
  5. Step 5: Solve for x
    x = 78,082,131.45/8,796.30
  6. Step 6: Final answer
    x = 8,876.70

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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.