Home / 7,151.88-10,719.45-4,033.38

Finding the Fourth Proportional to 7,151.88, 10,719.45 and 4,033.38

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Solution

The fourth proportional to 7,151.88, 10,719.45 and 4,033.38 is: 6,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.88 : 10,719.45 = 4,033.38 : x
  2. Step 2: Convert to fraction form
    7,151.88/10,719.45 = 4,033.38/x
  3. Step 3: Cross multiply
    7,151.88x = 10,719.45 × 4,033.38
  4. Step 4: Simplify right side
    7,151.88x = 43,235,615.24
  5. Step 5: Solve for x
    x = 43,235,615.24/7,151.88
  6. Step 6: Final answer
    x = 6,045.35

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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.