Home / 8,385.90-11,571.84-4,849.32

Finding the Fourth Proportional to 8,385.90, 11,571.84 and 4,849.32

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Solution

The fourth proportional to 8,385.90, 11,571.84 and 4,849.32 is: 6,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.90 : 11,571.84 = 4,849.32 : x
  2. Step 2: Convert to fraction form
    8,385.90/11,571.84 = 4,849.32/x
  3. Step 3: Cross multiply
    8,385.90x = 11,571.84 × 4,849.32
  4. Step 4: Simplify right side
    8,385.90x = 56,115,555.15
  5. Step 5: Solve for x
    x = 56,115,555.15/8,385.90
  6. Step 6: Final answer
    x = 6,691.66

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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.