Home / 7,004.14-9,666.30-3,860.92

Finding the Fourth Proportional to 7,004.14, 9,666.30 and 3,860.92

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Solution

The fourth proportional to 7,004.14, 9,666.30 and 3,860.92 is: 5,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.14 : 9,666.30 = 3,860.92 : x
  2. Step 2: Convert to fraction form
    7,004.14/9,666.30 = 3,860.92/x
  3. Step 3: Cross multiply
    7,004.14x = 9,666.30 × 3,860.92
  4. Step 4: Simplify right side
    7,004.14x = 37,320,811.00
  5. Step 5: Solve for x
    x = 37,320,811.00/7,004.14
  6. Step 6: Final answer
    x = 5,328.39

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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.