Home / 7,544.81-11,312.24-3,379.12

Finding the Fourth Proportional to 7,544.81, 11,312.24 and 3,379.12

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Solution

The fourth proportional to 7,544.81, 11,312.24 and 3,379.12 is: 5,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.81 : 11,312.24 = 3,379.12 : x
  2. Step 2: Convert to fraction form
    7,544.81/11,312.24 = 3,379.12/x
  3. Step 3: Cross multiply
    7,544.81x = 11,312.24 × 3,379.12
  4. Step 4: Simplify right side
    7,544.81x = 38,225,342.97
  5. Step 5: Solve for x
    x = 38,225,342.97/7,544.81
  6. Step 6: Final answer
    x = 5,066.44

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1.5x scale

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.