Home / 8,261.71-11,399.74-4,725.18

Finding the Fourth Proportional to 8,261.71, 11,399.74 and 4,725.18

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Solution

The fourth proportional to 8,261.71, 11,399.74 and 4,725.18 is: 6,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.71 : 11,399.74 = 4,725.18 : x
  2. Step 2: Convert to fraction form
    8,261.71/11,399.74 = 4,725.18/x
  3. Step 3: Cross multiply
    8,261.71x = 11,399.74 × 4,725.18
  4. Step 4: Simplify right side
    8,261.71x = 53,865,811.64
  5. Step 5: Solve for x
    x = 53,865,811.64/8,261.71
  6. Step 6: Final answer
    x = 6,519.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.