Home / 6,960.81-9,605.92-3,817.07

Finding the Fourth Proportional to 6,960.81, 9,605.92 and 3,817.07

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Solution

The fourth proportional to 6,960.81, 9,605.92 and 3,817.07 is: 5,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.81 : 9,605.92 = 3,817.07 : x
  2. Step 2: Convert to fraction form
    6,960.81/9,605.92 = 3,817.07/x
  3. Step 3: Cross multiply
    6,960.81x = 9,605.92 × 3,817.07
  4. Step 4: Simplify right side
    6,960.81x = 36,666,454.58
  5. Step 5: Solve for x
    x = 36,666,454.58/6,960.81
  6. Step 6: Final answer
    x = 5,267.55

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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.