Home / 7,406.82-10,221.69-4,424.40

Finding the Fourth Proportional to 7,406.82, 10,221.69 and 4,424.40

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Solution

The fourth proportional to 7,406.82, 10,221.69 and 4,424.40 is: 6,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.82 : 10,221.69 = 4,424.40 : x
  2. Step 2: Convert to fraction form
    7,406.82/10,221.69 = 4,424.40/x
  3. Step 3: Cross multiply
    7,406.82x = 10,221.69 × 4,424.40
  4. Step 4: Simplify right side
    7,406.82x = 45,224,845.24
  5. Step 5: Solve for x
    x = 45,224,845.24/7,406.82
  6. Step 6: Final answer
    x = 6,105.84

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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.