Home / 7,322.66-10,105.15-3,965.45

Finding the Fourth Proportional to 7,322.66, 10,105.15 and 3,965.45

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Solution

The fourth proportional to 7,322.66, 10,105.15 and 3,965.45 is: 5,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.66 : 10,105.15 = 3,965.45 : x
  2. Step 2: Convert to fraction form
    7,322.66/10,105.15 = 3,965.45/x
  3. Step 3: Cross multiply
    7,322.66x = 10,105.15 × 3,965.45
  4. Step 4: Simplify right side
    7,322.66x = 40,071,451.96
  5. Step 5: Solve for x
    x = 40,071,451.96/7,322.66
  6. Step 6: Final answer
    x = 5,472.25

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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.