Home / 7,327.45-10,109.41-4,140.30

Finding the Fourth Proportional to 7,327.45, 10,109.41 and 4,140.30

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Solution

The fourth proportional to 7,327.45, 10,109.41 and 4,140.30 is: 5,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.45 : 10,109.41 = 4,140.30 : x
  2. Step 2: Convert to fraction form
    7,327.45/10,109.41 = 4,140.30/x
  3. Step 3: Cross multiply
    7,327.45x = 10,109.41 × 4,140.30
  4. Step 4: Simplify right side
    7,327.45x = 41,855,990.22
  5. Step 5: Solve for x
    x = 41,855,990.22/7,327.45
  6. Step 6: Final answer
    x = 5,712.22

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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.