Home / 8,729.46-13,095.82-2,890.18

Finding the Fourth Proportional to 8,729.46, 13,095.82 and 2,890.18

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Solution

The fourth proportional to 8,729.46, 13,095.82 and 2,890.18 is: 4,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.46 : 13,095.82 = 2,890.18 : x
  2. Step 2: Convert to fraction form
    8,729.46/13,095.82 = 2,890.18/x
  3. Step 3: Cross multiply
    8,729.46x = 13,095.82 × 2,890.18
  4. Step 4: Simplify right side
    8,729.46x = 37,849,277.05
  5. Step 5: Solve for x
    x = 37,849,277.05/8,729.46
  6. Step 6: Final answer
    x = 4,335.81

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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.