Home / 8,723.21-12,035.13-4,945.91

Finding the Fourth Proportional to 8,723.21, 12,035.13 and 4,945.91

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Solution

The fourth proportional to 8,723.21, 12,035.13 and 4,945.91 is: 6,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.21 : 12,035.13 = 4,945.91 : x
  2. Step 2: Convert to fraction form
    8,723.21/12,035.13 = 4,945.91/x
  3. Step 3: Cross multiply
    8,723.21x = 12,035.13 × 4,945.91
  4. Step 4: Simplify right side
    8,723.21x = 59,524,669.82
  5. Step 5: Solve for x
    x = 59,524,669.82/8,723.21
  6. Step 6: Final answer
    x = 6,823.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.