Home / 7,623.57-11,436.21-4,335.78

Finding the Fourth Proportional to 7,623.57, 11,436.21 and 4,335.78

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Solution

The fourth proportional to 7,623.57, 11,436.21 and 4,335.78 is: 6,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.57 : 11,436.21 = 4,335.78 : x
  2. Step 2: Convert to fraction form
    7,623.57/11,436.21 = 4,335.78/x
  3. Step 3: Cross multiply
    7,623.57x = 11,436.21 × 4,335.78
  4. Step 4: Simplify right side
    7,623.57x = 49,584,890.59
  5. Step 5: Solve for x
    x = 49,584,890.59/7,623.57
  6. Step 6: Final answer
    x = 6,504.16

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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.