Home / 7,400.81-11,106.70-3,505.23

Finding the Fourth Proportional to 7,400.81, 11,106.70 and 3,505.23

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Solution

The fourth proportional to 7,400.81, 11,106.70 and 3,505.23 is: 5,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.81 : 11,106.70 = 3,505.23 : x
  2. Step 2: Convert to fraction form
    7,400.81/11,106.70 = 3,505.23/x
  3. Step 3: Cross multiply
    7,400.81x = 11,106.70 × 3,505.23
  4. Step 4: Simplify right side
    7,400.81x = 38,931,529.28
  5. Step 5: Solve for x
    x = 38,931,529.28/7,400.81
  6. Step 6: Final answer
    x = 5,260.44

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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.