Home / 8,930.93-13,396.50-3,386.88

Finding the Fourth Proportional to 8,930.93, 13,396.50 and 3,386.88

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Solution

The fourth proportional to 8,930.93, 13,396.50 and 3,386.88 is: 5,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.93 : 13,396.50 = 3,386.88 : x
  2. Step 2: Convert to fraction form
    8,930.93/13,396.50 = 3,386.88/x
  3. Step 3: Cross multiply
    8,930.93x = 13,396.50 × 3,386.88
  4. Step 4: Simplify right side
    8,930.93x = 45,372,337.92
  5. Step 5: Solve for x
    x = 45,372,337.92/8,930.93
  6. Step 6: Final answer
    x = 5,080.36

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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.