Home / 8,440.29-12,661.11-6,364.26

Finding the Fourth Proportional to 8,440.29, 12,661.11 and 6,364.26

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Solution

The fourth proportional to 8,440.29, 12,661.11 and 6,364.26 is: 9,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.29 : 12,661.11 = 6,364.26 : x
  2. Step 2: Convert to fraction form
    8,440.29/12,661.11 = 6,364.26/x
  3. Step 3: Cross multiply
    8,440.29x = 12,661.11 × 6,364.26
  4. Step 4: Simplify right side
    8,440.29x = 80,578,595.93
  5. Step 5: Solve for x
    x = 80,578,595.93/8,440.29
  6. Step 6: Final answer
    x = 9,546.90

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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.