Home / 8,835.40-13,252.41-3,905.20

Finding the Fourth Proportional to 8,835.40, 13,252.41 and 3,905.20

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Solution

The fourth proportional to 8,835.40, 13,252.41 and 3,905.20 is: 5,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.40 : 13,252.41 = 3,905.20 : x
  2. Step 2: Convert to fraction form
    8,835.40/13,252.41 = 3,905.20/x
  3. Step 3: Cross multiply
    8,835.40x = 13,252.41 × 3,905.20
  4. Step 4: Simplify right side
    8,835.40x = 51,753,311.53
  5. Step 5: Solve for x
    x = 51,753,311.53/8,835.40
  6. Step 6: Final answer
    x = 5,857.50

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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.