Home / 4,742.21-7,106.06-2,395.68

Finding the Fourth Proportional to 4,742.21, 7,106.06 and 2,395.68

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Solution

The fourth proportional to 4,742.21, 7,106.06 and 2,395.68 is: 3,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.21 : 7,106.06 = 2,395.68 : x
  2. Step 2: Convert to fraction form
    4,742.21/7,106.06 = 2,395.68/x
  3. Step 3: Cross multiply
    4,742.21x = 7,106.06 × 2,395.68
  4. Step 4: Simplify right side
    4,742.21x = 17,023,825.16
  5. Step 5: Solve for x
    x = 17,023,825.16/4,742.21
  6. Step 6: Final answer
    x = 3,589.85

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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.