Home / 8,429.38-12,645.92-2,586.46

Finding the Fourth Proportional to 8,429.38, 12,645.92 and 2,586.46

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Solution

The fourth proportional to 8,429.38, 12,645.92 and 2,586.46 is: 3,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.38 : 12,645.92 = 2,586.46 : x
  2. Step 2: Convert to fraction form
    8,429.38/12,645.92 = 2,586.46/x
  3. Step 3: Cross multiply
    8,429.38x = 12,645.92 × 2,586.46
  4. Step 4: Simplify right side
    8,429.38x = 32,708,166.24
  5. Step 5: Solve for x
    x = 32,708,166.24/8,429.38
  6. Step 6: Final answer
    x = 3,880.26

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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.