Home / 9,078.12-13,617.87-3,529.08

Finding the Fourth Proportional to 9,078.12, 13,617.87 and 3,529.08

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Solution

The fourth proportional to 9,078.12, 13,617.87 and 3,529.08 is: 5,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.12 : 13,617.87 = 3,529.08 : x
  2. Step 2: Convert to fraction form
    9,078.12/13,617.87 = 3,529.08/x
  3. Step 3: Cross multiply
    9,078.12x = 13,617.87 × 3,529.08
  4. Step 4: Simplify right side
    9,078.12x = 48,058,552.66
  5. Step 5: Solve for x
    x = 48,058,552.66/9,078.12
  6. Step 6: Final answer
    x = 5,293.89

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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.