Home / 7,329.09-10,987.11-2,943.57

Finding the Fourth Proportional to 7,329.09, 10,987.11 and 2,943.57

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Solution

The fourth proportional to 7,329.09, 10,987.11 and 2,943.57 is: 4,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.09 : 10,987.11 = 2,943.57 : x
  2. Step 2: Convert to fraction form
    7,329.09/10,987.11 = 2,943.57/x
  3. Step 3: Cross multiply
    7,329.09x = 10,987.11 × 2,943.57
  4. Step 4: Simplify right side
    7,329.09x = 32,341,327.38
  5. Step 5: Solve for x
    x = 32,341,327.38/7,329.09
  6. Step 6: Final answer
    x = 4,412.73

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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.