Home / 8,713.19-13,065.67-3,162.65

Finding the Fourth Proportional to 8,713.19, 13,065.67 and 3,162.65

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Solution

The fourth proportional to 8,713.19, 13,065.67 and 3,162.65 is: 4,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.19 : 13,065.67 = 3,162.65 : x
  2. Step 2: Convert to fraction form
    8,713.19/13,065.67 = 3,162.65/x
  3. Step 3: Cross multiply
    8,713.19x = 13,065.67 × 3,162.65
  4. Step 4: Simplify right side
    8,713.19x = 41,322,141.23
  5. Step 5: Solve for x
    x = 41,322,141.23/8,713.19
  6. Step 6: Final answer
    x = 4,742.48

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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.