Home / 8,342.34-12,513.87-3,148.62

Finding the Fourth Proportional to 8,342.34, 12,513.87 and 3,148.62

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Solution

The fourth proportional to 8,342.34, 12,513.87 and 3,148.62 is: 4,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.34 : 12,513.87 = 3,148.62 : x
  2. Step 2: Convert to fraction form
    8,342.34/12,513.87 = 3,148.62/x
  3. Step 3: Cross multiply
    8,342.34x = 12,513.87 × 3,148.62
  4. Step 4: Simplify right side
    8,342.34x = 39,401,421.36
  5. Step 5: Solve for x
    x = 39,401,421.36/8,342.34
  6. Step 6: Final answer
    x = 4,723.07

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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.