Home / 7,040.94-9,696.67-6,887.85

Finding the Fourth Proportional to 7,040.94, 9,696.67 and 6,887.85

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Solution

The fourth proportional to 7,040.94, 9,696.67 and 6,887.85 is: 9,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.94 : 9,696.67 = 6,887.85 : x
  2. Step 2: Convert to fraction form
    7,040.94/9,696.67 = 6,887.85/x
  3. Step 3: Cross multiply
    7,040.94x = 9,696.67 × 6,887.85
  4. Step 4: Simplify right side
    7,040.94x = 66,789,208.46
  5. Step 5: Solve for x
    x = 66,789,208.46/7,040.94
  6. Step 6: Final answer
    x = 9,485.84

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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.