Home / 8,935.42-13,401.30-3,386.86

Finding the Fourth Proportional to 8,935.42, 13,401.30 and 3,386.86

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Solution

The fourth proportional to 8,935.42, 13,401.30 and 3,386.86 is: 5,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.42 : 13,401.30 = 3,386.86 : x
  2. Step 2: Convert to fraction form
    8,935.42/13,401.30 = 3,386.86/x
  3. Step 3: Cross multiply
    8,935.42x = 13,401.30 × 3,386.86
  4. Step 4: Simplify right side
    8,935.42x = 45,388,326.92
  5. Step 5: Solve for x
    x = 45,388,326.92/8,935.42
  6. Step 6: Final answer
    x = 5,079.60

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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.