Home / 7,165.10-10,742.07-3,414.93

Finding the Fourth Proportional to 7,165.10, 10,742.07 and 3,414.93

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Solution

The fourth proportional to 7,165.10, 10,742.07 and 3,414.93 is: 5,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.10 : 10,742.07 = 3,414.93 : x
  2. Step 2: Convert to fraction form
    7,165.10/10,742.07 = 3,414.93/x
  3. Step 3: Cross multiply
    7,165.10x = 10,742.07 × 3,414.93
  4. Step 4: Simplify right side
    7,165.10x = 36,683,417.11
  5. Step 5: Solve for x
    x = 36,683,417.11/7,165.10
  6. Step 6: Final answer
    x = 5,119.74

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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.