Home / 7,328.13-10,992.70-2,945.59

Finding the Fourth Proportional to 7,328.13, 10,992.70 and 2,945.59

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Solution

The fourth proportional to 7,328.13, 10,992.70 and 2,945.59 is: 4,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.13 : 10,992.70 = 2,945.59 : x
  2. Step 2: Convert to fraction form
    7,328.13/10,992.70 = 2,945.59/x
  3. Step 3: Cross multiply
    7,328.13x = 10,992.70 × 2,945.59
  4. Step 4: Simplify right side
    7,328.13x = 32,379,987.19
  5. Step 5: Solve for x
    x = 32,379,987.19/7,328.13
  6. Step 6: Final answer
    x = 4,418.59

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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.