Home / 8,946.40-13,424.21-3,685.30

Finding the Fourth Proportional to 8,946.40, 13,424.21 and 3,685.30

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Solution

The fourth proportional to 8,946.40, 13,424.21 and 3,685.30 is: 5,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.40 : 13,424.21 = 3,685.30 : x
  2. Step 2: Convert to fraction form
    8,946.40/13,424.21 = 3,685.30/x
  3. Step 3: Cross multiply
    8,946.40x = 13,424.21 × 3,685.30
  4. Step 4: Simplify right side
    8,946.40x = 49,472,223.68
  5. Step 5: Solve for x
    x = 49,472,223.68/8,946.40
  6. Step 6: Final answer
    x = 5,529.85

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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.