Home / 8,309.14-12,471.00-4,615.54

Finding the Fourth Proportional to 8,309.14, 12,471.00 and 4,615.54

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Solution

The fourth proportional to 8,309.14, 12,471.00 and 4,615.54 is: 6,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.14 : 12,471.00 = 4,615.54 : x
  2. Step 2: Convert to fraction form
    8,309.14/12,471.00 = 4,615.54/x
  3. Step 3: Cross multiply
    8,309.14x = 12,471.00 × 4,615.54
  4. Step 4: Simplify right side
    8,309.14x = 57,560,350.85
  5. Step 5: Solve for x
    x = 57,560,350.85/8,309.14
  6. Step 6: Final answer
    x = 6,927.36

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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.