Home / 8,782.12-13,174.26-3,234.52

Finding the Fourth Proportional to 8,782.12, 13,174.26 and 3,234.52

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Solution

The fourth proportional to 8,782.12, 13,174.26 and 3,234.52 is: 4,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.12 : 13,174.26 = 3,234.52 : x
  2. Step 2: Convert to fraction form
    8,782.12/13,174.26 = 3,234.52/x
  3. Step 3: Cross multiply
    8,782.12x = 13,174.26 × 3,234.52
  4. Step 4: Simplify right side
    8,782.12x = 42,612,407.46
  5. Step 5: Solve for x
    x = 42,612,407.46/8,782.12
  6. Step 6: Final answer
    x = 4,852.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.