Home / 8,385.42-11,577.30-5,202.12

Finding the Fourth Proportional to 8,385.42, 11,577.30 and 5,202.12

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Solution

The fourth proportional to 8,385.42, 11,577.30 and 5,202.12 is: 7,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.42 : 11,577.30 = 5,202.12 : x
  2. Step 2: Convert to fraction form
    8,385.42/11,577.30 = 5,202.12/x
  3. Step 3: Cross multiply
    8,385.42x = 11,577.30 × 5,202.12
  4. Step 4: Simplify right side
    8,385.42x = 60,226,503.88
  5. Step 5: Solve for x
    x = 60,226,503.88/8,385.42
  6. Step 6: Final answer
    x = 7,182.29

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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.