Home / 8,758.60-13,135.58-3,493.40

Finding the Fourth Proportional to 8,758.60, 13,135.58 and 3,493.40

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Solution

The fourth proportional to 8,758.60, 13,135.58 and 3,493.40 is: 5,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.60 : 13,135.58 = 3,493.40 : x
  2. Step 2: Convert to fraction form
    8,758.60/13,135.58 = 3,493.40/x
  3. Step 3: Cross multiply
    8,758.60x = 13,135.58 × 3,493.40
  4. Step 4: Simplify right side
    8,758.60x = 45,887,835.17
  5. Step 5: Solve for x
    x = 45,887,835.17/8,758.60
  6. Step 6: Final answer
    x = 5,239.17

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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.