Home / 7,403.40-11,105.19-4,137.30

Finding the Fourth Proportional to 7,403.40, 11,105.19 and 4,137.30

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Solution

The fourth proportional to 7,403.40, 11,105.19 and 4,137.30 is: 6,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.40 : 11,105.19 = 4,137.30 : x
  2. Step 2: Convert to fraction form
    7,403.40/11,105.19 = 4,137.30/x
  3. Step 3: Cross multiply
    7,403.40x = 11,105.19 × 4,137.30
  4. Step 4: Simplify right side
    7,403.40x = 45,945,502.59
  5. Step 5: Solve for x
    x = 45,945,502.59/7,403.40
  6. Step 6: Final answer
    x = 6,206.00

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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.