Home / 7,945.48-11,909.58-3,323.08

Finding the Fourth Proportional to 7,945.48, 11,909.58 and 3,323.08

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Solution

The fourth proportional to 7,945.48, 11,909.58 and 3,323.08 is: 4,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.48 : 11,909.58 = 3,323.08 : x
  2. Step 2: Convert to fraction form
    7,945.48/11,909.58 = 3,323.08/x
  3. Step 3: Cross multiply
    7,945.48x = 11,909.58 × 3,323.08
  4. Step 4: Simplify right side
    7,945.48x = 39,576,487.11
  5. Step 5: Solve for x
    x = 39,576,487.11/7,945.48
  6. Step 6: Final answer
    x = 4,981.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.