Home / 4,904.24-7,352.22-2,128.81

Finding the Fourth Proportional to 4,904.24, 7,352.22 and 2,128.81

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Solution

The fourth proportional to 4,904.24, 7,352.22 and 2,128.81 is: 3,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.24 : 7,352.22 = 2,128.81 : x
  2. Step 2: Convert to fraction form
    4,904.24/7,352.22 = 2,128.81/x
  3. Step 3: Cross multiply
    4,904.24x = 7,352.22 × 2,128.81
  4. Step 4: Simplify right side
    4,904.24x = 15,651,479.46
  5. Step 5: Solve for x
    x = 15,651,479.46/4,904.24
  6. Step 6: Final answer
    x = 3,191.42

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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.