Home / 8,836.12-13,257.21-4,456.65

Finding the Fourth Proportional to 8,836.12, 13,257.21 and 4,456.65

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Solution

The fourth proportional to 8,836.12, 13,257.21 and 4,456.65 is: 6,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.12 : 13,257.21 = 4,456.65 : x
  2. Step 2: Convert to fraction form
    8,836.12/13,257.21 = 4,456.65/x
  3. Step 3: Cross multiply
    8,836.12x = 13,257.21 × 4,456.65
  4. Step 4: Simplify right side
    8,836.12x = 59,082,744.95
  5. Step 5: Solve for x
    x = 59,082,744.95/8,836.12
  6. Step 6: Final answer
    x = 6,686.51

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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.