Home / 8,263.31-12,392.33-2,715.37

Finding the Fourth Proportional to 8,263.31, 12,392.33 and 2,715.37

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Solution

The fourth proportional to 8,263.31, 12,392.33 and 2,715.37 is: 4,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.31 : 12,392.33 = 2,715.37 : x
  2. Step 2: Convert to fraction form
    8,263.31/12,392.33 = 2,715.37/x
  3. Step 3: Cross multiply
    8,263.31x = 12,392.33 × 2,715.37
  4. Step 4: Simplify right side
    8,263.31x = 33,649,761.11
  5. Step 5: Solve for x
    x = 33,649,761.11/8,263.31
  6. Step 6: Final answer
    x = 4,072.19

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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.