Home / 8,889.37-13,337.94-4,212.72

Finding the Fourth Proportional to 8,889.37, 13,337.94 and 4,212.72

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Solution

The fourth proportional to 8,889.37, 13,337.94 and 4,212.72 is: 6,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.37 : 13,337.94 = 4,212.72 : x
  2. Step 2: Convert to fraction form
    8,889.37/13,337.94 = 4,212.72/x
  3. Step 3: Cross multiply
    8,889.37x = 13,337.94 × 4,212.72
  4. Step 4: Simplify right side
    8,889.37x = 56,189,022.39
  5. Step 5: Solve for x
    x = 56,189,022.39/8,889.37
  6. Step 6: Final answer
    x = 6,320.92

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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.