Home / 9,272.39-13,910.40-4,078.25

Finding the Fourth Proportional to 9,272.39, 13,910.40 and 4,078.25

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Solution

The fourth proportional to 9,272.39, 13,910.40 and 4,078.25 is: 6,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.39 : 13,910.40 = 4,078.25 : x
  2. Step 2: Convert to fraction form
    9,272.39/13,910.40 = 4,078.25/x
  3. Step 3: Cross multiply
    9,272.39x = 13,910.40 × 4,078.25
  4. Step 4: Simplify right side
    9,272.39x = 56,730,088.80
  5. Step 5: Solve for x
    x = 56,730,088.80/9,272.39
  6. Step 6: Final answer
    x = 6,118.17

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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.