Home / 8,889.31-13,337.86-4,212.66

Finding the Fourth Proportional to 8,889.31, 13,337.86 and 4,212.66

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Solution

The fourth proportional to 8,889.31, 13,337.86 and 4,212.66 is: 6,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.31 : 13,337.86 = 4,212.66 : x
  2. Step 2: Convert to fraction form
    8,889.31/13,337.86 = 4,212.66/x
  3. Step 3: Cross multiply
    8,889.31x = 13,337.86 × 4,212.66
  4. Step 4: Simplify right side
    8,889.31x = 56,187,869.31
  5. Step 5: Solve for x
    x = 56,187,869.31/8,889.31
  6. Step 6: Final answer
    x = 6,320.84

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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.