Home / 6,960.49-9,605.87-4,129.54

Finding the Fourth Proportional to 6,960.49, 9,605.87 and 4,129.54

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Solution

The fourth proportional to 6,960.49, 9,605.87 and 4,129.54 is: 5,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.49 : 9,605.87 = 4,129.54 : x
  2. Step 2: Convert to fraction form
    6,960.49/9,605.87 = 4,129.54/x
  3. Step 3: Cross multiply
    6,960.49x = 9,605.87 × 4,129.54
  4. Step 4: Simplify right side
    6,960.49x = 39,667,858.74
  5. Step 5: Solve for x
    x = 39,667,858.74/6,960.49
  6. Step 6: Final answer
    x = 5,699.00

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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.