Home / 8,960.15-13,436.85-2,718.34

Finding the Fourth Proportional to 8,960.15, 13,436.85 and 2,718.34

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Solution

The fourth proportional to 8,960.15, 13,436.85 and 2,718.34 is: 4,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.15 : 13,436.85 = 2,718.34 : x
  2. Step 2: Convert to fraction form
    8,960.15/13,436.85 = 2,718.34/x
  3. Step 3: Cross multiply
    8,960.15x = 13,436.85 × 2,718.34
  4. Step 4: Simplify right side
    8,960.15x = 36,525,859.64
  5. Step 5: Solve for x
    x = 36,525,859.64/8,960.15
  6. Step 6: Final answer
    x = 4,076.48

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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.