Home / 9,251.41-13,875.75-3,406.66

Finding the Fourth Proportional to 9,251.41, 13,875.75 and 3,406.66

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Solution

The fourth proportional to 9,251.41, 13,875.75 and 3,406.66 is: 5,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.41 : 13,875.75 = 3,406.66 : x
  2. Step 2: Convert to fraction form
    9,251.41/13,875.75 = 3,406.66/x
  3. Step 3: Cross multiply
    9,251.41x = 13,875.75 × 3,406.66
  4. Step 4: Simplify right side
    9,251.41x = 47,269,962.50
  5. Step 5: Solve for x
    x = 47,269,962.50/9,251.41
  6. Step 6: Final answer
    x = 5,109.49

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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.