Home / 6,960.12-9,605.36-4,129.17

Finding the Fourth Proportional to 6,960.12, 9,605.36 and 4,129.17

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Solution

The fourth proportional to 6,960.12, 9,605.36 and 4,129.17 is: 5,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.12 : 9,605.36 = 4,129.17 : x
  2. Step 2: Convert to fraction form
    6,960.12/9,605.36 = 4,129.17/x
  3. Step 3: Cross multiply
    6,960.12x = 9,605.36 × 4,129.17
  4. Step 4: Simplify right side
    6,960.12x = 39,662,164.35
  5. Step 5: Solve for x
    x = 39,662,164.35/6,960.12
  6. Step 6: Final answer
    x = 5,698.49

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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.