Home / 8,216.82-12,306.70-5,762.62

Finding the Fourth Proportional to 8,216.82, 12,306.70 and 5,762.62

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Solution

The fourth proportional to 8,216.82, 12,306.70 and 5,762.62 is: 8,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.82 : 12,306.70 = 5,762.62 : x
  2. Step 2: Convert to fraction form
    8,216.82/12,306.70 = 5,762.62/x
  3. Step 3: Cross multiply
    8,216.82x = 12,306.70 × 5,762.62
  4. Step 4: Simplify right side
    8,216.82x = 70,918,835.55
  5. Step 5: Solve for x
    x = 70,918,835.55/8,216.82
  6. Step 6: Final answer
    x = 8,630.93

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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.